Esprit 100 image circle. Apr 30, 2019 · I just purchased a TS 0.

Esprit 100 image circle Mar 22, 2015 · The Esprit-80's imaging circle is 33mm when used with its optional field flattener. The 100 is the best selling of the four models, I think it fits a nice niche for people. Adjust the width, height, rotate, zoom in, zoom out, reset, clear, etc. This home last sold for $635,000 in July 2019. Jan 9, 2021 · This is the best case, as there is nothing squeezing the light cone until my M48 t-ring. No tilt anymore when using the locking mechanism. If its a truely dedicated unit, if it comes out hopefully it will change my mind. Nov 30, 2023 · 756 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 1811 sq ft and was built in 2001. 65x APEX should be OK for smaller sensors, such as 183 w/ 16mm diagonal. Esprit stating 40mm. Second target came up about 50° altitude before I started to image. FSQ130ED and CCA250 can handle medium format cmos. I personally use the Esprit 100 for just about everything and yes if packed correctly it can be used for carry on. A cooled one-shot-color CMOS dedicated astronomy camera. 3mm. 45mm. This home last sold for $975,000 in November 2023. The Zestimate for this Single Family is $1,136,900, which has decreased by $34,180 in the last 30 days. It contains 3 bedrooms and 2 bathrooms. 4-inch dual-speed rack-and-pinion, Helinear track focuser Rolled steel optical tube with white, glossy finish Included accessories: field flattener, tube rings, D-style dovetail, 8x50 right-angle finderscope, M48 camera adapter, 2 Oct 20, 2020 · First light: Starizona Apex 0. Esprit 80ED APO Triplet Esprit 100 ED APO Triplet 8x50 Right Angled Erect Image : 8x50 Right Angled Erect Image : Tube weight: 3. Users have tried several reducers, with the most popular being the Starizona Apex-L ($450). 77 reducer for it. This home last sold for $302,000 in November 2000. In the past, when using a full-frame camera, I’ve had to crop about 5% of the frame away using the RedCat 51 and 71 telescopes (43mm ad 45mm image circles). So, for a stellar solution to receiving one of the finest devices the optics industry has to offer, make sure to get Sky Watcher Esprit ED Triplet APO Telescope . 75x Reducer M63 is a high quality triplet ED reducer/flattener for apochromatic refractors. 1mm diagonal. The Apex ED reducer fits into a standard 2" focuser. The Rent Zestimate for this Single Family is $4,217/mo, which has increased by $4,217/mo in the last Aug 26, 2023 · I have the esprit 100 ed and it comes with an 8mm extension ring that fits on the end of the flattener and goes on the end of the scope before you attach the image train. This home last sold for $950,000 in October 2024. That would bring it down from 840mm to around 646mm Edited by higs, 12 March 2021 - 02:17 PM. Mine is certainly not that far away from the quality of data gained from my FSQ106, but the FSQ has an absolutely enormous image circle. This satisfies it with Powerly focuser Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more. Also used was the QHY268M cmos camera and Optolong Ha/OIII filters. Any other suggestions I can consider. I would expect higher resolution with the SVX130T due to its longer FL and larger aperture, but I was not expected this much difference. According to the manual it is 63mm, my doubt is how accurate is that distance in the real world with respect to my camera, the ASI1600MM (maybe 62. With a camera sensor width of only 11mm and the reducer having a 30mm circle it would seem that these edge issues would not be a problem for me under this setup. Notes Mar 22, 2015 · The Esprit-80's imaging circle is 33mm when used with its optional field flattener. This home last sold for $899,000 in August 2021. Proper backfocus was also very easy to achieve - 17. Sky Watcher Esprit 100 Triplet. 6 (600mm FL) flat field astrograph, 5 elements in Petzval arrangement The ZWO ASI2400MC Pro is a full-frame, one-shot-color dedicated astronomy camera. Nov 24, 2021 · The SVX130T stack has the image scale advantage at 0. the radius off axis), 33mm = 66mm image circle. The Rent Zestimate for this Single Family is $5,197/mo, which has increased by $5,197/mo in the last Feb 1, 2024 · No scope can cover 100 mm image circle, especially for today's cmos sensor. I chose the Esprit 100, with the Stellarvue SVX80T-3SV, as a very solid 2nd choice. The vignetting is worst than I expected. Now I have a doubt about the exact backfocus distance. This home last sold for $523,000 in May 2008. My camera is the asi2600mc I was looking at the Skywatcher Esprit 100 as it has a good focal length of around the 550mm mark which is where I am looking at. 6mm of distance between the FR and the sensor. The Rent Zestimate for this Single Family is $5,061/mo, which has increased by $5,061/mo in Mar 16, 2024 · Also consider adding the Starizona Apex L to the Esprit 100 (rumor is that it was designed for this scope) Link 357mm at F3. Given that the Apex FR has a 42mm opening at exit and there should be 58mm between it and the image sensor, the maximum image circle would be 25. Edited by Yomamma, 27 August 2023 - 08:18 AM. The 'complication' is that focal reducers also reduce the image circle size. 100 mm apochromatic 3-element refractor 550 mm (f/5. The included Dual Speed RP Helinear focuser provides smooth and accurate focusing, a major plus for both imagers and visual observers Nov 23, 2019 · I think one of the aspects missing from Astrophotography posts is a review of matched Refractor image circle size and camera sensor size. Includes Case: Yes. I have heard of problems from several folks with this on APS-C Aug 2, 2022 · The illuminated image circle of the esprit could easily cover the OAG prism, so I can guide even with shorter exposures. 105mm diameter main tube. I am very pleased with the results I am seeing. The Sky-Watcher 100mm Esprit 100ED Triplet APO Refractor is a professional instrument for the most demanding and exacting astro-photographers. 75x FR on my QHY268M, but I do not have the Riccardi. The image of the California Nebula below is a great example of the wide field of view the Esprit 100 provides. 9"/px (native 550mm) or 1. Takahashi FS-102N. Main Features Feb 8, 2016 · The 100 has a larger image circle to handle larger chips compared to the 80. May 27, 2019 · Thanks for the info here. The Esprit 100's focuser is also bigger than the 80's, big advantage for AP. 3lbs. Jan 2, 2022 · Any yes, the reducer does improve the star image as the spot diagrams show. 54"/px compared to the Esprit's 0. cropping is much Faster, since we are not uploading your images to our server. May 24, 2023 · The Esprit starts with 40mm image circle, and 0. The Esprit 100 has a larger native image circle of 40mm, and I have excellent results with my old Esprit 100 with the 0. 58 mm Backfocus. The M48 fitting provides a large clear aperture to reduce halation, and a precision thread ensures the triplet and doublet lens groups are precisely aligned on the optical axis perpendicular to the image. If you are using one of the . 821 Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 1950 sq ft and was built in 1994. Dawes Limit: 1. 57 (reduced/30mm image circle) 550mm at F5. 3mm APS-C diagonal. 4″ focuser w/micro focus 2″ Diagonal with dielectric coatings 8×50 RA erect-image finderscope Canon camera adapter Tube rings with CGE style dovetail bar Aluminum foam lined case 40mm image circle OTA Weight: 16. 65 FR), the image circle would shrink 1mm for each 3. Feb 1, 2020 · Your 100mm F5. Micro 4/3 sensors would still show significant vignetting, as the 294 has a 23. All Sky-Watcher USA Esprit refractors come with a 8 x 50 right angle finderscope, 2-inch Star diagonal, 2-element field flattener*, camera adapter, D-style dovetail and padded case. Here is my 1st image (only so far) with this combo (pardon the excessive Blue): Apr 21, 2021 · They are designed primarily for demanding astroimagers who want high-contrast images full of detail and zero detectable colour fringing, even on the brightest objects! When used with the field flattener, the Esprit-100's imaging circle is 40mm. Mar 28, 2018 · I don't for one moment believe that you will gain 3x better images from the Takahashi at 3x the price! If I was in a position to be considering these two scopes and I had DEFINITELY ruled out the image circle of the FSQ106 then I'd go for the Esprit for sure. With the Esprit’s three-element, air spaced objective lens design, false color is virtually eliminated, yiel Apr 21, 2021 · They are designed primarily for demanding astroimagers who want high-contrast images full of detail and zero detectable colour fringing, even on the brightest objects! When used with the field flattener, the Esprit-100's imaging circle is 40mm. To get to the point, using Astronomy tools, I am failing to understand why a Tak FSQ85 captures a wider field than an FSQ106 for any given camera, when the latter has a Jan 22, 2021 · Questions regarding Explore Scientific 102mm f/7 triplets - posted in Refractors : Looking to piggyback a lightweight refractor on a 14 Meade to allow wide field imaging with an existing ASI2600MC-P camera. It works perfect. Aug 5, 2020 · Page 1 of 2 - A couple of globs: first light Esprit 100 - posted in Experienced Deep Sky Imaging: In an effort to move to full frame imaging with the ZWO ASI6200, Ive sold off my smaller image circle scopes and picked up the Esprit 100. 4. - posted in Beginning Deep Sky Imaging: Many thanks for reading. Oct 9, 2019 · TS specifically mention its use for Esprit 120/150. 7x reducer does not produce an image circle sufficient to cover the full frame sensor of my Atik APX 60. Some of the images I have seen on posts appear to show ZWO ASI294 with Esprit 100 which has a full frame image circle. Dec 25, 2024 · Skywatcher Esprit 100 any good for imaging? - posted in Refractors : Hi, i am looking to fill a bit of a gap in my imaging setup. I am after something in the 550mm range for imaging with my QSI 683 and have identified my three favourite options; 1. My camera has a small sensor Dec 5, 2023 · ASKAR FRA600 or Skywatcher Esprit 100? - posted in Refractors : Hi, I am looking for my next scope purchase and for imaging. 40mm for the Esprit 100, and the fixed Vixen foot, vs. You should expect that the image circle will shrink by FR factor (could be even smaller if the output of the FR pinches the light cone). Main Features Sep 22, 2023 · If you go to the first link and look in the description you'll see this link https://drive. 75x is 30mm, more than APS-C. 0" focuser w/micro focus; 2" Diagonal with dielectric coatings; 9x50 RA erect-image finderscope; Canon camera adapter; Tube rings with CGE style dovetail bar; Aluminum foam lined case; 40mm image circle; OTA Weight: 16. The most comprehensive image search on the web. 65x reducer was designed with the Esprit in mind. Have not been able to ascertain the image circle of the Saxon FCD100's - would be grateful if anyone knows this info. Corrected image circle for full frame; sensors; 3" Crayford focuser with 1:11 gear; Many accessories. The flattener gives a flat field across a 40mm image circle, so Sky-Watcher Esprit 100ED Triplet APO Refractor OTA is an excellent choice for astroimagers who want the best optics possible for sharp exposures! Chromatic aberration and false color is virtually eliminated, thanks to the ED glass, APO design and MHTC coatings. This 5-element, rather extreme 0. Mar 21, 2021 · Page 1 of 3 - Refractor that can get down to around f3 for imaging. Lock the screw below the focuser (1) if a heavy load is attached (pull the lever at 90°). It contains 4 bedrooms and 2 bathrooms. The Zestimate for this Single Family is $1,044,400, which has decreased by $16,140 in the last 30 days. The Esprit 120 with the FF has an image circle of 44mm which should pose no issues with the a full frame camera. 77 = 34 mm, so it would just about fill the frame of an APS-C. NGC 1499 is a massive target (2. until the image in the eyepiece is nearly sharp. x "speed" and the image circle is also reduced 0. With the dew shield fully retracted, the 100mm has nearly the same length as the 80, making it just as compact and portable, but with more aperture. 3mm I believe) but I haven't found a backspacing where I can get clean stars in all four corners. The air spaced apochromatic triplet lenses use the remarkable Ohara FPL-53 ED (extra low dispersion) glass, with exceptional colour correction over the entire visible spectrum there is no chromatic aberration even on bright objects! Aug 25, 2009 · The OTA's image circle extends well beyond the formats of popular APS-C sensors found on many DSLR cameras and many smaller chips used in specialized astrophotography CCD cameras. Edited by SilverLitz, 27 October 2021 - 02:32 PM. Build quality is amazing and it is much larger and beefier than a Takahashi FSQ106 I use to own. 65), which is less than APS-C 28. 3mm for Sony sensors in QHY268 or ZWO 2600, slightly less for Canon). To my eye and needs the images are virtually indistinguishable from each other. This home last sold for $1,210,000 in May 2022. Im looking at all 3 scopes in this line Mar 20, 2018 · Glad to see so many happy Esprit customers. My very 1st few test shots showed very poor edge stars compared to my Esprit 100, even though Celestron states 42mm image circle vs. Another test image taken with the APEX-ED L reducer/flattener from Starizona. Feb 6, 2019 · Coming from a ts 80 triplet to an esprit 100 it is a real improvement. The Esprit 100 is marginal at full-frame sensors and above (for that get the Tak FSQ-106), but great at APS-H, APS-C, and smaller. Jan 16, 2023 · Hello, I am wondering if anybody has ever checked on any pincushion/barrel distortion of the Esprit 100. the 80's 33mm, though still slightly less than a FF's 43+mm diagonal. It is heavy for its FL, and probably needs a EQ6R or better mount. I came across this rather old thread when I was looking for more information on this reducer. However, Tak FSQ and CCA can provide a ~90 mm image circle, for ccd, not cmos. Everything you need to get out under the stars. 5 mm with a spacer to compensate Feb 25, 2016 · Sky Watcher Esprit 100mm F/5. Now, crop image using the circle crop box as size you want. That is partly because the 100 is already fast at f/5. I currently have the Skywatcher Esprit 150 and also the 0. I would expect it would have a larger image circle with the Esprit 120. The Sky-Watcher Esprit 100 mm ED APO Triplet Refractor is one of the sky-watchers incredibly precise telescopes created for passionate astronomy lovers who want to be submerged in the infinite universe. Camera Thread. Both should be fine with APS-C or smaller sensor. The Zestimate for this Single Family is $1,063,300, which has decreased by $33,200 in the last 30 days. The Zestimate for this Single Family is $1,167,600, which has decreased by $30,284 in the last 30 days. A separate thread-on Schott glass doublet field flattener provides pin-point star images across the entire 40mm image circle for superb astrophotography. 5. With this model's 100 mm aperture and high-quality optics refractor camera, the most vivid views of celestial objects can display the highest contrast. The included 2-element field corrector guarantees a flat field across the entire imaging plane. With the optional William Optics field flattener, you can achieve a full 43mm image circle, making it suitable for capturing wide-field astrophotography vistas with DSLRs or dedicated astronomy cameras. Sky-Watcher Esprit 100 ED, ZWO ASI294MM-Pro, Astro-Physics Mach2 GTO. the Esprit's mounting rings with Losmandy plate. 7 reducer lenses for either the 1400 or 1100 Edge HD optical tubes, the diameter of the image circle will remain at 42mm. The image usually has to be finely refocused over time, due Sep 1, 2023 · There is no other corrector for the Esprit 100 that both reduces and flatteners, there is one from I think Starizona or Ricardi that had the esprit 100 in mind when it was designed, but it does not reduce very well at all, you are best sticking at the Esprit 100 native focal length and using the dedicated flattener that skywatcher supply for this scope… A separate thread-on Schott glass doublet field flattener provides pin-point star images across the entire 43mm image circle for superb astrophotography. The Rent Zestimate for this Single Family is $4,846/mo, which has increased by $4,846/mo in the last Image Circle: with 3" Focuser and SFFX-1: 41 mm; with 3" Focuser and . 65x FR is 26mm which is less than my QHY268's 28. 65x FF/FR - posted in Beginning Deep Sky Imaging: I finally had a chance to take the ApexED / Esprit 100 combo out for a test drive the other night. Jan 18, 2021 · Any updated news on Designated Reducer for SW Esprit 100ed APo? - posted in Refractors : I recently watched the webinar from SW that they announced . Nov 30, 2022. Rayleigh Limit: 1. The Apex ED reducer features extra-low disperion glass to eliminate chromatic aberration and to provide sharp star images over a 30mm image circle, capable of working with most popular CCD, CMOS and DSLR cameras up to APS-C format. Assume everything is perfect, the best you could assume for 0. Jan 28, 2018 · Hello wise astronomer people. The Zestimate for this Single Family is $937,900, which has decreased by $22,400 in the last 30 days. Painted ultra flat black inside. I heavily weighed getting the FSQ106, but considered that Id never use anything larger than full frame, so it might be worth examining the Esprit. 75x, the Esprit image circle should shrink to 30mm (assuming the FR does not add additional physical constriction), which is a little over the 2600/QHY268 28. Soul Nebula. . 65x reducer (L version, for focal length of 550 mm or longer) to use with my Esprit 100ED. 5 focal ratio 3. the Esprit 80's at 33mm. I recently got the precise parts adapter in allowing me to connect everything up to the M68 tilt adjuster and M68 OAG. It contains 4 bedrooms and 3 bathrooms. 5) Fully multi-coated; Thread-on field flattener; 3. 8mm extension ring + 55mm ZWO provided rings = 63mm. The Sky-Watcher ESPRIT 100 Field flattener has been specifically designed for your telescope. 4) Esprit 100 image circle is 40mm vs. crop a circle in the image, is an online tool, used to crop round circle in your images. The Rent Zestimate for this Single Family is $4,927/mo, which has increased by $4,927/mo in the May 20, 2022 · 825 Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 2119 sq ft and was built in 1994. The images looked excellent with APS-C (28mm) sized chips. Mount is a iOptron CEM120 Camera is asi2600mc I was looking at going with the Esprit 100 as it has a nice wide field of view, especially compared to the Esprit 150 and even with its dedicated Jul 8, 2020 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. 0x field flattener, Canon EOS M48 T-ring, plus adapters for Description. The Zestimate for this Single Family is $959,100, which has increased by $8,797 in the last 30 days. The Zestimate for this Single Family is $1,142,900, which has decreased by $67,774 in the last 30 days. Their efficiencies are pretty similar, not enough to split hairs over. 65x Apex has troubles with APS-C. 65x shrinks to 26mm, which is too little for APS-C, and then the 42mm output pinches it further. 16". SW Esprit 150 comparison. It features a large 24-megapixel CMOS sensor with a pixel size of 5. 75x TSAPORED075 (2019 version, 2020+ versions will not work), but I expect that is the most the Esprit 100 can give. The Esprit 80 + 0. This home last sold for $285,000 in October 2000. 3mm diagonal . 97 kg : 6. 6mm or 63. The 102mm is preferred for its light weight, and Explore Scientific is preferred because I know Scott Roberts and subsequently trust his product. e. 75x with the Esprit 100 will have 30mm reduced image circle, assuming nothing else in the path squeezes the light cone. Usually results in either a soft image or poor corner stars unless it's a very small sensor. Takahashi FC-100 Classic. 75X Reducer/Flattener: About 40 mm; Tube Assembly: Lightweight fully baffled aluminum tube and dew shield. Nov 29, 2019 · Interested to hear more on this for my Esprit 100. I suspect image quality may be pushed a bit with the 80 unless using with a small sensor as the 80 has smaller image circle. So, I see it as a perfect accessory for 120 owners, but not something that is going to be essential for 100 owners, as they already have a wide FOV without needing a Reducer. Your 268 has an sensor diagonal of ~28. How to convert image to circle? Select image that you want to crop in circle on convert image to circle tool. Feb 12, 2019 · 100 would be better with a FF sensor, as its image circle is 40mm vs. 100 mm apochromatic 3-element refractor; 550 mm (f/5. The Esprit 120 has an 840mm focal length which more than doubles your image scale making it better for small targets. There are a few reviews online which are positive, but surprisingly few images on astrobin using the Esprit 100. Image Circle (w/ Flattener) 40mm. I picked the Esprit 100 over the Stellarvue SVX80T-3SV, because it is faster, and I preferred its FL, especially with the 0. According to their website it has a 40mm image circle, 68 mm of back focus, and a 3" focuser. Delivery: Optical tube 100/550mm Triplet ED objective lens; Dew cap; 3" Crayford focuser mit 1:11 reduction; APM Riccardi reducer 0. Nov 16, 2021 · Image Circle: 45mm; Weight: 6. • Lock the screw below the focuser (1) if a heavy load is attached (pull the lever at 90°). 5 (native/43mm image circle) Seems like a combo that can’t be beat:-) Jan 2, 2015 · I am doing research into what ccd camera would best work with the 100 mm SW Esprit APO. I have this for my Esprit 100, and it works well for up to APS-C sensor. I have heard of folks being disappointed with the 0. I needed a And with the two-part field corrector and Helinear Track focusing system, Sky Watcher Esprit Refractor will guarantee sturdiness with no image shift. 75x FR/FF. After much research, I decided I would rather have a Sky-watcher Esprit 100ED than take a chance on a much more expensive Takahashi FSQ that has an image circle that is much bigger Jun 28, 2020 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. Again this is the best case, and the Apex's output also needs to larger to be good for APS-C as well. The stars are round in all the corners of the 1600mm. The spot diagram below compares the different scopes all scaled to 100um box size. For me the esprit 100 is a keeper. Filter Thread. My experience is the Esprit fully illuminates the ASI6200 sensor (43. 65x May 27, 2023 · Images taken with the Sky-Watcher Esprit 100ED. Everything else is the post above is pretty much correct. 65 reducer has an image circle of around ~30mm and I have heard about the issues with this reducer around the edges. Others have mentioned it works well for full-frame with the Esprit 100. The same calc on an 0. Dec 14, 2021 · The image circle with shrink with the FR, so the Apex's best case with the Esprit would be 26mm (40x0. 2"/px (w/ 0. This is my first real telescope and dedicated astrophotography camera (ASI2600MC), so I still pretty low Nov 1, 2014 · Page 1 of 3 - TAK FSQ106 vs. It is also compatible with GSO Ritchey-Chretien telescopes from 10" and large Crop a circle in the image. I wrote about my purchase of the scope, camera and desire to move to full frame extensively here on my site. The images the Esprit 100 produced for totality were Google Images. Compatible with the Esprit 100 ED PRO triplet refractor; 40 mm imaging circle is achieved when used with the field flattener; Precision thread aligns the doublet and triplet lens groups on the optical axis; Lens groups are perpendicular to the images in focus; Easily installed between the refractor and a camera; What's in the box?. 5, Jan 31, 2021 · Page 1 of 8 - Askar FRA600 Quintuplet Astrograph initial impressions + unboxing - posted in Refractors : Got an Askar FRA600 Quintuplet Astrograph the other day. This home last sold for $590,000 in November 2016. The Esprit 100ED Pro includes a high quality 2" dielectric diagonal, right angled 9 x 50 finderscope, 1. 9mm, which is slightly insufficient for APS-C sensors, but fine for ASI1600 Jan 4, 2021 · Page 1 of 2 - SkyWatcher Esprit 100 Questions - posted in Beginning Deep Sky Imaging: I purchased an Esprit 100 back in November (still on backorder with no committed delivery date) and am trying to do the research in advance so Ill be prepared to connect all the equipment once it arrives. The FSQ has that 88 mm diameter image circle which makes it the ideal Apr 30, 2019 · I just purchased a TS 0. 65x would result in an image circle of ~21. SW ESPRIT 100 - posted in Refractors : Same song and dance as the AP160 vs. 807 Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 3000 sq ft and was built in 1991. Dec 16, 2020 · I have the Apex-L and use it with my SW 100mm APO. The Esprit 100ED includes a two element field flattener, correcting the frame for field curvature and providing a 40mm imaging circle, making it suitable for large sensors. When the Cat 71 arrived, I mounted it to the Sky-Watcher EQ6-R Pro and attached a ZWO ASI2400MC Pro one-shot-color camera. This system produces a 43mm image circle, and has about 75mm of back focus for imaging accessories (ie. The OAG stars are also more regular shaped. Apr 25, 2022 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. 5 - posted in Experienced Deep Sky Imaging: Hi all, Decided to post this here since I will be using it for imaging. They both look very good, though the 80's small image circle is disappointing for me, as I have a FF 5Dmk4 as well as an APS-C 7Dmk2. Jul 3, 2020 · Page 1 of 2 - Sky-watcher Esprit 100ED unboxing & imaging set-up - posted in Beginning Deep Sky Imaging: I recently sought advice on this forum for a fast refractor that would work with my beloved QSI 660ws camera. 5) • Metallic high-transmission lens coatings • 3" CNC machined 1:11 dual-speed focuser • Zero color fringing even on bright objects • 40 mm image circle • Knife-edge Baffled Optical System • 2" Diagonal with dielectric coatings Oct 31, 2022 · The M48 fitting provides a large clear aperture to reduce halation. It contains 5 bedrooms and 3 bathrooms. A precision thread ensures the triplet and doublet lens groups are precisely aligned on the optical axis perpendicular to the image. Jan 1, 2020 · A f/3. It contains 4 bedrooms and 2. 75x; Adapters 2" and 1¼" Tube rings; 3" Losmandy Nov 13, 2020 · However, even with the Reducer, the FOV is some 17% smaller than an Esprit 100 for a comparable f/5. The two-element design has a 40-millimeter image circle, just about enough to cover a full frame chip. only this time I added supporting items to this original post. Nov 29, 2020 · The Esprit 100 documentation does say "40 mm" image circle in one place, and it says "full frame" in another. 9"/pixel resolution; and on the 1600MM sensor with an image scale of 1. 65x to 26mm, and its has 42mm output. 90"/px, and the larger aperture gives the SVX130T a Dawes Limit of 0. 6x takes it to f/4 and you still get an image circle large enough for an aps-c sensor. 94 microns. Also the focuser is way better. Dec 8, 2019 · A f/3. 65x reducer & Esprit 100ED - posted in Beginning Deep Sky Imaging: Just last week, I received the Starizona Apex 0. Somewhat disappointed with the Apex-L. That is what I did and needed nothing else. 75x shrinks this to 30mm, which is larger than the 28. 5) Fully multi-coated Thread-on field flattener 3. 5 lbs (OTA only) Included Accessories: Mounting rings, V-style dovetail, Cat saddle. Jan 11, 2023 · At my last check, Skywatcher does not make a FR for the Esprit 100 or 120/150. 3 kg : 9. Takahashi Sky-90. I see you cant get any reducers Nov 13, 2020 · For Esprit 150, the image circle with the new reducer would be 44mm x 0. The Sky-Watcher exclusive Helinear Track focusing system provides a smooth, rock-solid focuser with zero image shift. Jul 6, 2023 · Image circle and Vents on Meade acf - posted in Cats & Casses: Hi Im contemplating getting a 12 inch Meade acf; probably the f/10 version. I love the Esprit 100 w/ 0. Mounting Accessories: Rings/D-Rail. This is novice question. The 40mm imaging circle of the Sky-Watcher Esprit 100 ED was designed with full-frame DSLR imagers in mind, as the package I received even included a Canon EOS M48 adapter ring. Edited November 14, 2020 by Adam J 723 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 2739 sq ft and was built in 2003. The reducer produces wide field, flat images at f/4. I am impressed! The low down on specs is: 108mm aperture F5. This is Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 100mm aperture, 550mm focal length, f/5. With the 550mm focal length of the Esprit 100, it nearly fits into the image frame using a 10MP 4/3″ camera sensor. I would only do this if I decide its within my reach to add filtered vents. The Rent Zestimate for this Single Family is $4,261/mo, which has increased by $4,261/mo in the Jun 2, 2023 · You can attach your full-frame DSLR, mirrorless, or dedicated astronomy camera to the T-mount and enjoy a 46mm image circle. 1 with a 28mm image circle for wider field targets or even faster exposures. 0x FF, is 40mm, which is a little less than full-frame. The Sky-Watcher Esprit 100mm is an excellent option for those looking for a step up from the smaller 80 mm scope. The Rent Zestimate for this Single Family is $4,925/mo, which has increased by $4,925/mo in the Aug 13, 2019 · This year I bought an Esprit 100ED, and it is massively better. Backfocus-Optical Design-Barrel Diameter. Notes Sep 23, 2022 · The stated image circle of the Esprit 100, w/ 1. • To finely focus the image turn the 1:11 knob one way or the other until the image is perfectly sharp (3). The Rent Zestimate for this Single Family is $5,248/mo, which has increased by $5,248/mo in the 731 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 2500 sq ft and was built in 2002. The M48 fitting provides a large clear aperture to reduce halation. The Esprit-100's imaging circle is 40 mm when used with the field flattener. My Esprit 100 with TSAPORED075 (original 2019 version) performs very well on my QHY268M (APS-C). Also when the frame is larger, the edge stars won't be good as well. Delivery: Optical tube 100/550mm Triplet ED objective lens; Dew cap; 3" Crayford focuser mit 1:11 reduction; Adapters 2" and 1¼" Tube rings; 3" Losmandy compatible mounting plate; Finderscope 9x50; Aluminum carrying case Nov 1, 2014 · The Esprit is an apo triplet with a separate field flattener for astrophotography, used visually it is a fast triplet with field curvature, quite a different animal. 65x, which will shrink the image circle by 0. The Zestimate for this Single Family is $1,187,200, which has decreased by $45,740 in the last 30 days. Is it an issue, and if so has it been Image 2 - The Esprit 100ED features a deluxe 3-inch rack-and-pinion with sensitive micro-focus functionality and full rotation. This telescope has a large image circle (45mm) and is just begging you to put a big sensor on it. 52 kg : 744 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 2726 sq ft and was built in 2001. Aug 16, 2020 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. 16. The camera I have used most with the Esprit 100, however, is the ZWO ASI294MC Pro. Feb 12, 2020 · The Esprit 100 has a full frame image circle vs APS-C on the Esprit 80 so I'm not going to waste light with a smaller sensor if I go with the Esprit 80. Other Included Items: Canon 48mm camera adapter with spacers. This was NGC 7789, Caroline’s Rose open cluster. (I think the image circle Jun 25, 2024 · Second, the Esprit 100 has a 40mm image circle which allows for full frame compared to the 28mm circle on the 190. While others have used the Riccardi or TS reducers with success, I wanted to go for the kill and try the 0. Aug 1, 2021 · A test image taken with the Esprit 100 and Starizona APEX-ED reducer/flattener at F3. The unreduced 40mm image circle will likely exhibit some vignetting with a full frame sensor camera and it would be more severe with the reducer installed. Apr 27, 2024 · Off topic but Fyi- after exhaustive testing, my findings were that the TOA-35 0. Corrector: Yes, included field flattener. Rings Sep 17, 2020 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. Can someone take a look at these images and tell me if this is just the nature of a FF/FR, spacing or something else? I have the threaded focus adapter and I have the EVF and asi1600mm connected with a 58mm back focus exactly as Nov 13, 2020 · To be honest, I have never seen images from a reduced esprit 100 and thought yeah that's something I want to do. Dec 21, 2023 · Skywatcher doesn’t make a reducer for the Esprit 100 as they do for the larger Esprit 120 and 150. googlembbrKxCScsIDLAa to actual images captured by the 4 scopes he tests (which includes the famous SkyWatcher Esprit 100). 75x APO Reducer for my SW Esprit 100 and had took some test images last night with my ZWOASI294mc-Pro camera. It guarantees excellent field flatness across mm imaging plane the entire 40 and ensures full illumination with extremely minimized halation and zero color fringing even on bright objects. 5 is throwing an image circle on the IMX183 sensor with an image scale of 0. I started my refractor journey with the very worthy Orion EON 120ED Doublet and was super happy for almost 2 years of use, but as its a doublet, once I started doing astrophotography I was not happy with the stars. Takahashi FSQ106 (530mm, F5, about £5500) 2. Have looked at the Esprit 80 and the Esprit 100 which should work with my Apex -65 reducer. It comes with all the adapters you need to connect it to the Esprit. The telescope, reducer and camera combination seems to be a winner. Nor are the stars well corrected at the corners of the frame. 6 (Esprit 100 + 0. 9mm, which is slightly insufficient for APS-C sensors, but fine for ASI1600 Jan 7, 2020 · Starizona ApexED 0. The 120mm Sky-Watcher Esprit triplet utilizes the most modern optical glasses and fabricating techniques to deliver the ultimate in small aperture high-fidelity astronomical observing and imaging. Oct 27, 2021 · 3) Esprit 100's focuser is more robust, and is the same as on the Esprit 120 and 150. 77 focal reducer. With the Esprit 100 and my ASI183, I can image at 0. 4) Esprit 100 native image circle is 40mm vs. + 0. Dec 14, 2021 · No matter what Starizona does to the Apex, a 0. Both the Tak and Stellarvue has image circles in the 43-44mm range so slighly larger. Given its relatively short F ratio it would mostly be used for wide scale imaging. I am chasing my tail over which telescope to purchase. 3mm diagonal. It is compatible with the Sky-Watcher Esprit 100, 120 and 150, along with many other apo refractors which have an M63 x 1 thread. I am trying to understand “image circle” and field of view. 61 kg : 14. 1 would be I think I'm currently leaning towards an Esprit 80 at f/5 rather than risking a very expensive reducer that could be tricky to get right and potentially unknown image circle size. A 0. 5mm from the ASI2600MC, 18mm from the TS optics filter drawer, 19. I did this for the eclipse back in August. 8×50 Right Angle Correct Image. Aug 3, 2023 · The 0. 77x reducer exclusively for Esprit 120 & 150 Ed Apo? Does any one have idea that SW is going to introduce the similar reducer for Esprit 100 and 80 ed line-up? I am really keen on buying new reducer for my Esprit 100ed but I am wiling to wait for Oct 5, 2024 · The Starizona . until the image in the eyepiece is nearly sharp . 77x times. 5 image circle of the Esprit 100 is stated as 40mm per SW. Do any of the owners of these have any trouble carrying them do to their weight? Is there a handle that can be attached? I also read that there is a problem with wobbling of the dew shield. So cropping is quick, highly secured and consumes less bandwidth. I currently have a Esprit 150 and it also has the dedicated focal reducer. If there are any owners, I would love to hear your opinions and see any images. 40 Astronomy TECHNOLOGY TODAY THE SKY-WATCHER ESPRIT 100-MM ED TRIPLET APO REFRACTOR threaded on the field flattener and Sep 13, 2023 · I say maybe because the limitation is the image circle size, IMO. 5 degrees long), that can be tough to capture in a single image. How much is the question. I looked at the Esprit 80, but I had two reservations: its smaller image circle, 33mm vs. The APM Riccardi 0. Limiting Magnitude: 12. • 100 mm apochromatic, 3-element refractor • 550 mm (f/5. To finely focus the image turn the 1:11 knob one way or the other until the image is perfectly sharp (3). The Sky-Watcher exclusive Helinear Track focusing system provides a smooth, rock-solid dual speed focuser with zero image shift. The 100mm Sky-Watcher Esprit triplet utilizes the most modern optical glasses and fabricating techniques to deliver the ultimate in small aperture high-fidelity astronomical observing and imaging. 5 Jan 17, 2025 · I have heard from many Esprit 100 users that the 0. The Rent Zestimate for this Single Family is $4,454/mo, which has increased by $4,454/mo in the last 30 741 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 3310 sq ft and was built in 2002. The Zestimate for this Single Family is $1,239,800, which has decreased by $24,733 in the last 30 days. The image usually has to be finely refocused over time, due Apr 21, 2021 · They are designed primarily for demanding astroimagers who want high-contrast images full of detail and zero detectable colour fringing, even on the brightest objects! When used with the field flattener, the Esprit-100's imaging circle is 40mm. 89" compared the Esprit 100 limit of 1. 65x combined with a native 40mm image circle scope will not totally cover APS-C (28. It is half the price of an Esprit 100 so a very tempting price Nov 10, 2022 · With a 0. Esprit 100 + Apex ED L + ZWO ASI 1600. Apr 21, 2021 · The Esprit-100's imaging circle is 40mm when used with the field flattener. I suspect most NP-101 owners use them visually where their lighter weight is an advantage over the FSQ. The threads on the focuser and flattener are not the most common, though, so I did find it difficult to find adapters with those threads. This question arose during astrometry/plate solving with "Astrometrica" asteroid identification software, where the result was, that my (RAW) image from the Esprit 100 was heavily distorted. Jul 12, 2021 · So APEX 0. Oct 4, 2023 · It problems are 0. Featured. 75x, 413mm). Also, you can set custom image name, image extension, etc. 5 mm from the Askar OAG. The big difference is potential resolution and resulting FOV with the instrument. William Optics GT102 with Reducer (560mm, F5. If you are looking to make a more worth while jump I'd look into the 120 at least. Mar 10, 2021 · Maybe get the esprit 120 which has a 43mm image circle and then get the . This home last sold for $1,000,000 in September 2022. Collimation. filterwheels). Finally, download circle cropped image and Mar 15, 2024 · The ZenithStar 61mm offers a large image circle, accommodating APS-C and full-frame sensors. Nov 28, 2018 · The ED80 is very competent for a £470 OTA, but for imaging the Esprit will almost certainly perform better, but you do pay for that benefit. 43"/pixel resolution. 65x reduction factor. Image Circle. It was immediately obvious to me that using a FF sensor on EdgeHD is disappointing. Very happy Oct 1, 2020 · Page 1 of 2 - M31: Esprit 100 + ASI6200MM-Pro - posted in Experienced Deep Sky Imaging: Finally getting some imaging time in with this camera telescope combo. Aug 5, 2020 · One hour of M13 images taken with the Esprit 100 and the ZWO ASI2600MC-Pro. Starizona says "provide sharp star images over a 30mm image circle," The images are sharp but I will argue the 'correct image circle' for vignetting is more like 25mm. By comparision, the full-frame diagonal is more than 43mm. - posted in Refractors : New to astrophotography, after months of research I have decided on either 100 or 120 esprit. Image 3 - The Esprit 100ED package also includes a 9x50 right-angle, correct-image finder scope. 5 bathrooms. 75x M63; 3 connection adapters for APM Riccardi reducer 0. The image usually has to be finely refocused over time, due Jan 21, 2020 · The Esprit 100 is more expensive, but MUCH cheaper than a Tak FSQ-106 (but the Tak has much larger image circle). The Set-Up. 854 Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 1811 sq ft and was built in 1999. 6 (358mm). The Zestimate for this Single Family is $1,065,300, which has decreased by $7,674 in the last 30 days. Jun 21, 2020 · Page 1 of 6 - Sky-Watcher ESPRIT 120ED Super APO - posted in Refractors : Good morning, I am writing a review of this refractor after about a week of almost non-stop use. The Rent Zestimate for this Single Family is $5,720/mo, which has increased by $5,720/mo in the 736 W Bel Esprit Cir, San Marcos CA, is a Single Family home that contains 2515 sq ft and was built in 2001. 5mm?). Includes a storage case. Jul 14, 2021 · The native f/5. how difficult is it to reassemble these scopes properly and collimate them? On a related question, does anyone know the size of the image circle on the 12 inch lx200? I have a Jun 13, 2019 · Doubt about the backfocus of the SW Esprit 100ED and the ASI 1600 - posted in Refractors : I finally ordered the Esprit 100. The other question is the length of the adapter I Aug 15, 2019 · Help me understand image circle and field of view for wide field imaging. - posted in Refractors : Looking to add a smaller fast refractor that can get down to around F3 for imaging. Off axis distances are from the center point (i. The Apex's 0. I must admit as nice as f/4. It is a great option for owners of astrophotography telescopes with a full-frame image circle (48mm+), as you will be able to fully utilize the large sensor across the entire image field. You can also reduce the 100 using the Starizona Apex-L bringing you down to f/4. Jan 15, 2021 · Questions on Skywatcher 100 and 120 esprit. clyshtxd fxddwgbf fxtawzu zflus fgqv tdxi mdpzt vnfct ool jvggbp