Download: free Website: Thingiverse. FLAT6AIII special edition for Fluorostar 91. Wish List Compare. 25”-2” adapter Includes. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MM Pro Mounts ZWO AM5 Filters Optolong H-Alpha 3nm 2" · Optolong OIII 3nm 2" · Optolong SII 3nm 2" Accessories. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. William Optics Fluorostar 91 APO - Gold. Altair Wave Series 115 F7 ED Triplet 1 6. Starts at $1998. Those look so nice. Remove the temperature gauge off the telescope. GEPRC Crocodile baby 4 inch Gopro Insta360 GO mou. 9 Triplet Apo Refractor with Carry Case - Space Gr. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. I can only say that Esprit owners seem well satisfied and and the same is true of Willams Optics scope owners. If you have any questions about my experience with the William Optics FLT 91. Add to Cart. Free US shipping on orders over $25!Fluorostar 91 APO quantity. I only got the EC from Mile High as I was tired of waiting for the non-EC to be in stock and have done 2 minute subs unguided as well as 5 minute subs that look OK. Whether you call it The City of Joy or by its former name Calcutta, this city has…Using this adjustable field flattener makes astrophotography with the William Optics 73 mm ZenithStar APO Refractor even better. Gran Turismo 71 APO. New for 2021 - William Optics Fluorostar / FLT 91 An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. New listings: American Range stove oven A32610 A32616 Gas Valve On Off Knob FLT Down $25, William Optics Fluorostar FLT 91 Triplet APO Refractor Telescope $1 775An astrophotograph by Trevor Bray on AstroBinFor astrophotography, the large image circle provides illumination, even for full-frame cameras. Broad band images were taken from a Bortle 3 site in Sand Point Michigan while the Ha was shot from my backyard (Bortle 7). 4 Image circle: 44mm Objective lens: Quintuplet air-spaced APO (including two ED glass)William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. 3" R&P Focuser. Be the first to review this product . In stock. Details. Dielectric Coating Diagonals; Erecting Prisms; Accessories. 徐達杉. Fluorostar 91 BUY NOW New for 2021 - The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. mjstake when I received my scope. Fluorostar 91. All New Adjustable Flat6AIII (T-mount not included) 1 Review. Rated 0 out of 5 $ 1,998. My camera is an ASI. Looks like a straight fit with the WO adapter. 99. The visionary team of designers and engineers at William Optics spared no effort in selecting the finest. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. OCAL Electronic Collimator 1 9. There's an initial grub screw to remove which will them expose the screws holding the gauge to the shaft. Now Only $998. 9 Triplet Apo Refractor with Carry Case - Space Gr. 00. - -10C cooled - Shot on April 26 and 27 night - 32 flats, darks, bias for each night Processing Details (PixInsight only):. That does not mean that it cannot be used visually, with an eyepiece, for the visual observer who wants the very best image. OCAL Electronic Collimator 1 9. Reviews. 5mm spacer, but got elongated stars in the four corners. The three-element optical design features a 91mm aperture using FPL-53 glass. → Refractors. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. Lens Type: Apochromatic Triplet Prime Lens. I have a Redcat 51 and am really pleased with it but would like something a bit bigger. The rest is the same as with other scopes. Fluorostar 120. QC issues described here are something that one would not expect from such established producer. Experience the best of the line: the Williams Optics FLT151 Triplet APO f/6. FLAT6AIII／FLT-91 Special Edition 35,200円（税込） FLT-91APO専用のFLAT6AIII/FLT-91 Special EditionはM92-M63変換リングがセットとなっており、FLT-91APOで使う前提でアジャストされていますので、先端にカメラマウントを取り付けるだけですぐに撮影可能。I have a Redcat 51, a Zenithstar 73, and a Fluorostar 91. The new William Optics Fluorostar FLT 91 is a three element air-spaced apochromatic refractor with a focal ratio of f/5. I have it, and the optics are great, but the mechanics has sag and tilt. 4mm. New for 2021 - William Optics Fluorostar / FLT 91 An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. 03 Add to cart; Sale! New Cat Series Saddle Handle Bar ₹ 5,310. 17, 2023 Frames: Chroma Blue 31 mm: 10. I hope this helps. Feitelijk zijn beide flattener / reducer gelijk aan elkaar alleen zit bij dit product een M92 adapter bijgeleverd. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. My first light with the FLT91! Processing is still a challenge, but here is my FIRST narrowband image nonetheless! (I need more O3 and S2 for sure) Stay tune. 3" Rack & Pinion Focuser. The three-element optical design features a 91mm aperture using FPL-53 glass. . The STM-coatings and superb quality provide excellent optical performance and unmatched value. I hope this helps. Fluorostar 91. 25" · Antlia Luminance 1. The STM-coatings and superb quality provide excellent optical performance and unmatched value. 99. Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. William Optics Mortar三脚用 赤道儀接続アダプター タカハシP-2赤道儀用The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. . $4,139. As low as $53. 6. GE OEC Fluorostar Arco em C móvel digital Manual do Operador a partir de S/N 10,000 Refª N. Download Manual. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. Add to Wish List. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. 5mm Spacer > ZWO Filter Drawer > 1mm Spacer > 11mm Spacer > ASI1600MC (6. 3″ R&P Focuser Color Red Space greyWilliam Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts ZWO AM5 Filters Optolong L-Ultimate 2" Accessories William Optics Flat68 III · ZWO ASIAIR Plus · ZWO EAF Software Pleiades Astrophoto PixInsight Acquisition details Dates: Dec. Page 2 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : The longer I wait, the more on the fence I find myself. This is the same item as the P-FLAT6AIII reducer/flattener sold for other WO. William Optics Corp. Horsehead Nebula in Narrow Band - posted in Experienced Deep Sky Imaging: Here is the Horesehead nebula, taken in narrow band with about 15hrs worth of data using the Fluorostar 91, ZWO2600MM Jump to contentHello all, I am finally reviewing my very own William Optics Gran Turismo 81, triplet apochromatic refractor! With a focal length of 478mm and a focal ratio. Heywood. 8 Field. The William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Store in a dry place: Store the telescope in a. Zillow has 23383 homes for sale in British Columbia. 8 These are premium instruments. 8 reducer flattener M92 edition. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. 75") 1,065: William Optics Gran Turismo 81:New Fluorostar 132 (Innovative Bahtinov Mask Cover) ₹ 393,103. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. FLAT6AIII special edition for Fluorostar 91. / NINA) Guiding Telescopes Or. 8 Reducer - DIY 3D printed guide cam with IMX290 and ZWO 30F4 Acquisition Details: - 100 x 120s + 230 x 60s - 0 gain. Wish List Compare. Wish List Compare. Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. Any suggestions for good double star targets for 90 mm of refractor?FLAT6AIII special edition for Fluorostar 91 . The three-element optical design features a 91mm aperture using FPL-53 glass. 9 APO Triplet Refractor Telescope FPL-53. The fluorostar 91 with the 0. Therefore, a 55mm back focus with a filter that is 3mm thick added to the imaging train would. 5") 1,998: William Optics Gran Turismo 71 APO Refractor: Triplet Refractor: 71 mm (2. What We Like About the Sky-Watcher Esprit 120 Refractor. Next session will see me adding a total of 2mm. net job: 7291421 RA center: 05 h 23 m 03 s. 59 +$12. FLT-91 / Flat 68iii elongated stars? - posted in Experienced Deep Sky Imaging: First light on my W-O Fluorostar 91 / Flat 68iii, and could use some advice. Mounting Rings;FLAT6AIII special edition for Fluorostar 91 . ln. $293. William Optics Fluorostar 91 APO Triplet Refractor: Triplet Refractor: 91mm (3. The three-element optical design features a 91mm aperture using FPL-53 glass. The Zenithstar 103 has been discontinued. handle for cover MC5. Download: free Website: Printables. $ 293. Now the biggest question is. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. $656. The three. 6 and can be reduced with a reducer to f/3. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro · ZWO ASI2600MM Pro Mounts Sky-Watcher EQ6-Ri Pro Filters Antlia 3nm Narrowband H-alpha 2" · Antlia 3nm Narrowband Sulfur II 2" · Antlia V-Pro Blue 2" · Antlia V-Pro Green 2" · Antlia V-Pro Red 2" · Optolong L-eXtreme 2" · ZWO UV IR CUT 2" AccessoriesThe William Optics Fluorostar 91 is a cutting-edge optical instrument meticulously designed to meet the exacting demands of astrophotography. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. . - posted in Refractors : Dear all, First and foremost, I dont have a real connection with William Optics nor am I affiliated with them, and I am not a spokesperson for them. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. 6lbs) including tube rings and dovetail plate. It is similar to the Gran Turismo series, and at present it comes in apertures of 91mm at f/5. Jay En Em. Wish List Compare. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. William Optics. Filter: Chroma 36mm OIII 3nm Telescope Filter -. 8 reducer flattener M92 edition. Using FPL-53 glass this telescope provides excellent aberration correction. New for 2021 – The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. Page 9 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : I was close pushing an ORDER button on this scope but now I started to hesitate. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts Sky-Watcher EQ6-R Pro Acquisition details Dates: Feb. ASKAR FRA400 Quintuplet refractor with 72mm aperture and f/5. William Optics. 3" Rack & Pinion Focuser - Specify Color. It offers remarkable image quality, surpassing most telescopes of its kind in its ability to eliminate optical defects. With a 540mm focal length and f/5. These corrective optics work best at a specific distance away from their glass elements, most commonly 55mm. 56% Hot. Equipment Check - posted in Equipment (No astrophotography): Noob here, just want someone to sanity check my start up of my newest hobby. For the guide scope, I don't think this is as critical a choice as the main scope, so I expect something like a WO 50mm or ZWO 30mm would be adequate here. 00 Original price. Add to Cart. 67% Basic astrometry details. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. I just purchased a William-Optics Fluorostar 91 telescope and Flat 68 iii field flattener, and have a question about connecting a ZWO ASI 533 MC Pro camera. All New 50mm Guiding Scope. During alignment of the star finder with a distant. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. buy DETAILS. 00. The FRA is also a natural f/5. Page 14 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Got my EAF last Friday and installed it on the new WO FTL91 and took it out for another spin. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. Hot. Pixel scale looks good with my 533 MC Pro, should frame some of the DSO's nicelyTelescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 9, 132mm at f/7, and 156mm at f/7. The STM coatings and superb quality provide excellent optical performance and unmatched value. William Optics GuideStar 61 APO With Case £399. 9, 132mm at f/7, and 156mm at f/7. Naturally, they had a non-EC show up as in stock the next day. I decided to upgrade to a WO Fluorostar and EQ6-R and the results are super good. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) 1 Review . Takahashi. The Fluorostar’s connectivity functionalities help increase workflow efficiencies in any clinical applications. I really like what I’ve read up on William Optics and would like to purchase one. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the. Warning, the EAF and focuser shaft will. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. 00. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. Optional. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. . 9 Triplet Apo Refractor. Wish List Compare. 3" R&P Focuser Image Circle : >43mm Retracted Length :. Fluorostar 91 APO Triplet Refractor. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz William Optics Fluorostar FLT91 f/5. Release Date 08/19/2015 11:49:39 AM. New for 2021 – The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence. I'm looking forward to this coming Christmas. New for 2021 - William Optics Fluorostar / FLT 91. So far, the stars are looking better and better as I back it out more. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. Telescope: Fluorostar 91 APO / Fluorostar 132 / Takahashi FC-100 Or something in this category up to 10-12k EUR Mount: ZWO AM5 Mount / ZWO TC40 Carbon Control:. Page 19 of 22 - WO Fluorostar 91 - new scope - posted in Refractors : Soon after I had purchased my 91mm I had added a 2nd WO Losmandy bar at the top, and then mounted the slide base for the guidecam on top of the dovetail. TS Optics has good offerings at a decent price but I’m a bit concerned about purchasing overseas . $2,494. 34 degrees X 1. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted; Filters: ZWO Premium LRGB Imaging Filter Set - 36mm Round Unmounted (Used only RGB)Page 19 of 22 - WO Fluorostar 91 - new scope - posted in Refractors : Soon after I had purchased my 91mm I had added a 2nd WO Losmandy bar at the top, and then mounted the slide base for the guidecam on top of the dovetail. A soft carry case comes standard with the William Optics Fluorostar 91. Find local businesses, view maps and get driving directions in Google Maps. 0 mm in spacers and still the same problem. 95+ Strehl. 62. Saddle handle bar: Newly designed. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. 25" WA 1. Add to Cart. A 300 f/2. This is a 2 piece U Bracket that allows a BeeLink MiniPC and Pegasus Astro UBP2 to mount on top of a Fluorostar 91 scope. Ha 36 by 600 s. William Optics Fluorostar 91 with FLAT6AIII special edition : $2500: 2023-10-06 12:09:57: Innisfil, ON: 71163: For Sale: Active: Takahashi TSA-120 with Feather touch focuser- mint reduced-. 9 APO Triplet Refractor Telescope FPL-53. 900. 61 pixel). TALK TO AN EXPERT : 919833974700. Sky-Watcher Explorer 130PDS 12. 91mm. As low as $114. This is page 2 of 3. In stock (can be backordered) Type: Flattener / Reducer. FOA-60 Ortho Apochromatic Refractor. Main Equipment, not all are listed here. The features of the Fluorostar 91 RotoLockWilliam Optics Fluorostar 91 FPL53 Triplet APO Refractor with 3. 00. Back In Stock! RedCat 71 APO 350mm f/4. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. 25" Diagonals & Erecting Prisms. Gran Turismo 81 IV. As low as $4,378. I personally own and enjoy the William Optics FLT 132 apochromatic refractor, and can attest to the exceptional image quality of the Fluorostar series. William Optics. The STM-coatings and superb quality provideThe FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Add to Cart. 99. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI294MC Mounts Sky-Watcher EQ6-R Pro Accessories William Optics Flat6A III · ZWO ASIAIR Plus Software Pleiades Astrophoto PixInsight Guiding Telescopes Or Lenses William Optics UniGuide 50 Guiding Cameras ZWO ASI120MM MiniDisponible nuevamente en Stock, William Optics FluoroStar 91 ! North Optics · November 8, 2021 · November 8, 2021 ·M48 has at least 80 members, including three giant stars of spectral types G to K. The three-element optical design features a 91mm aperture using FPL-53 glass. William Optics FLT 156 - posted in Refractors : For those who may be interested, William Optics has just listed its Fluorostar 156 f/7. $99. 91mm. The features of the Fluorostar 91 RotoLock William Optics Fluorostar 91 FPL53 Triplet APO Refractor with 3. FOA-60 Ortho Apochromatic Refractor. 9 Focuser : 3. Has anyone ever put a ZWO EAF on a William Optics Fluorostar 91?William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts Sky-Watcher EQ6-R Pro Acquisition details Dates: Nov. 9 and reduces to f/4. The STM coatings and superb quality provide excellent optical performance and unmatched value. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 0. 41,727 likes · 1,739 talking about this · 869 were here. These corrective optics work best at a specific distance away from their glass elements, most commonly 55mm. Shop William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope | Be The First To Review William Optics. I was also lucky enough to find the 0. 8x flattener hereAdd. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted; Filter: Chroma 36mm OIII 3nm Telescope Filter - Unmounted; Mount: Sky-Watcher EQ6-R Pro (Used iOptron Tri-pier with Adapter 8036-TK)The William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. 9. ZWO ASIair Plus 9 76. Qty. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Now Only $998. With a 3-element triplet design and FPL-53 glass, this William Optics 91 mm f/5. 180. The new William Optics Fluorostar FLT 91 is a three element air-spaced apochromatic refractor with a focal ratio of f/5. 51 shipping. 00 Regular Price $1,568. This flattener contains a 63 mm opening on one end that threads into the telescope, and an M48x0. 30 ₹ 4,310. 100+ bought in past month. 99. 5 Items. 72) Filter: Chroma 36mm SII 3nm Telescope Filter - Unmounted. With twin handles that double as shoulder straps, allowing the case to be used as a rucksack, and additional. $293. Wish List Compare. Transfer easily. The Soul Nebula is home to a number of interesting objects, including the young open cluster of stars known as. Be the first to review this product . The reducers always look undersized in comparison. TALK TO AN EXPERT :. 00. . The three-element optical design features a 91mm aperture using FPL-53 glass. Extended Length. add to list Tags Pocket Powerbox Advance Mount for C9. The only issue is the threads on the FLT 91 are M92, the Flat6AII has M63 threads. Page 12 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Matt You may have made the same. Using the appropriate T-Mount and T-ring, users can create a functional imaging setup with the FLT91. 00 - $2,897. Page 11 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Thats with the WO reducer for this scope and a QHY268. Fluorostar 91 APO Triplet Refractor. 4mm This William Optics 2" Field Flattener and Reducer has been designed to optimize the flat-field iMost of their scopes don't appear to have counterparts with any other manufacturer. William Optics heeft de flattener 6AIII geschikt gemaakt voor de FluoroStar 91 telescoop. Triplet Air spaced lens, TMB design, Triplet Air spaced lens, TMB. William Optics Fluorostar 91 / FLT91 Imaging Cameras QHYCCD QHY183C Mounts iOptron CEM26 Software Pleiades Astrophoto PixInsight · Russell Croman Astrophotography BlurXTerminator · Russell Croman Astrophotography NoiseXTerminator · Stefan Berg Nighttime Imaging 'N' Astronomy (N. Ken Bates. Its always a shame to take off the visual back on these. Page 1 of 2 - William Optics Fluorostar 91 Focuser Issue - Response from WO themselves. Filter: Chroma 36mm OIII 3nm Telescope Filter - Unmounted. Add to Cart. ر. 0 mm in spacers and still the same problem. You may remember my review of the William Optics Zenithstar 61 APO, which also used this glass. Both of these scopes are triplets so you'll need a field flattener unlike the Petzval design of the Redcat series. Shop Home / Accessories / Boltwood Cloud Sensor III Brand: Diffraction Limited Accessories Boltwood Cloud Sensor III. Aperture. William Optics RedCat 51 (Unboxing) 0:16. This is a premium quality triplet APO (apochromat) capable of producing crisp, well color-corrected images. T-FLT-91. 8x Reducer / Flattener William Optics 2019 Slide Base 50mm Uniguide Scope Skywatcher AZ-EQ6GT Mount & Tripod ZWO ASI290Mini Mono Guide Cam ZWO ASI Air Pro ZWO 5v Electronic Focuser ZWO ASI1600mm Pro USB 3. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. The back focus is a critical spacing that must be obtained if one is using a Flattener or Reducer. Aperture (mm): 120Equipment explorer: William Optics Fluorostar 91 / FLT91 AstroBin's equipment database is entirely maintained by the community. 00. Equipment: Williams Optics fluorostar 91 with flattener. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. . 9 and a focal length of 540mm. If your camera chip is too close or too far away, then the elements will not actually perform their intended corrections. Zenithstar 73 III APO . Install the large ring M92-M63 adaptor onto the onto the reducer - take this opportunity to make sure the optics are free from dust and keep it covered until you install it on the scope The back focus started at 60mm which is the required distance when using the Williams Optics FLT 91 with the FLAT6AIII, I have a filter in the image train so I added a 0. New Fluorostar 156 (Innovative Bahtinov. It can with the visual extension attached which is 3-4 inches long I didnt know it had to be removed before attaching the flattened. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. Adapters. Optolong L-Pro 2" 1 10. Page 22 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Well oddly enough I reached 4% tilt adjustment the one night I tried that (beginners Luck) but the next imaging session I had the bad stars and I tried to adjust the tilt but didnt work for me that night. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mmFluorostar 91. $1,881. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. skysurvey, on 15 Nov 2020 - 06:16 AM, said: No, the WO 91 Fluorostar isn't any cheap but I have no idea why, IMO we are talking about a 2515€ telescope and about a 1382€ telescope that are the same, don't let you that 1mm of difference confuse you. As far as adjusting the initial backspacing it can be done indoors. Wish List Compare 【Refurbished】Zenithstar 73 III APO-Red. 1113. Add to Cart. 2) Camera: ZWO ASI 2600mc Pro. Showing 40 ads per page. It is similar to the Gran Turismo series, and at present it comes in apertures of 91mm at f/5. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. Here is my FLT 91/Reducer combo with a 2600MC, so the chip is bigger and the pixels are smaller, both of which put a larger strain on the optics. 8 Reducer. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. ر. SWAN 2" SWAN 1. Agena AstroProducts is pleased to carry products from the following leading astronomy brands. Description Reviews (0) Description. 0. Add to Cart. Tilt in my Fluorostar 91 and image train - please help with process here - posted in Beginning Deep Sky Imaging: Hi All Thanks in advance for help/advice you can provide. These include entry-level refractors like the Zenithstar series all the way up to top-of-the-line Fluorostar series. 9, 132mm at f/7, and 156mm at f/7. The William Optics Fluorostar 132 (FLT 132) is ideal for astrophotography due to the FPL-53 glass objective lens. Wish List Compare 【Refurbished】Zenithstar 73 III APO-Red. Sort By: Quick view Compare Add to Cart. William Optics FLT 91 Fluorostar 91mm f/5. $2,697. Add to Cart. That, or purchase a new. 6 focal ratio, ideal for wide-field imaging of the deep sky Petzval design ensures flat field across 44mm image circle, while two ED elements virtually eliminate chromatic aberration Rotatable 3” rack-and-pinion focuser, M68-M48 adapter, 2” adapter ring, and 1. Adjust Distance for DSLR and Mirrorless Camera is 5. When I looked at the fov it matched the Esprit 100ED I was also looking into buying for imaging. +. The three. William Optics Fluorostar 91 APO - Red. . For the William Optics . : +1-847-513-6201. $293. Had to fiddle with the installation as I ended up putting the mount screws into one of the focusing tighteners and so it wasnt able to focus, but once Id figured that out and used the different mounting holes on the bottom of the. I do however, use their instruments for astrophotography and so I was surprised by the general feedback regarding their newly released. Toll-Free: +1-800-504-5897. SKU: T-FLT-91 Category: William Optics. The new ones do not contain fluorite elements and I don’t know that older models ever did. Add to Cart.