The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. I'm also including the Flat 6AIII 0. Our Price: $1,998. Regular price $933 1 in stock. The Esprit blows the ED102CF out of the water in every way, except Esprits are heavy. 71. $806. Write Your Own Review. William Optics RedCat 61 WIFD APO 300mm f/4. New for 2023 - William Optics now includes a free M-CAA63 rotator with this telescope (a $109 value)! Gran Turismo 71 APO Refractor Telescope. Quick view Compare Choose Options. Z. 5 Truss tube Dobsonian; Celestron PowerSeeker 70AZ Telescope ($10 Scope) Orion. 9 native or f/4. William Optics Gran Turismo 81 f/5. More Info . 8x Reducer / Adjustable Field Flattener 6AIII as well. 8x reducer which comes to 432mm f/4. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. 00. Select Options. Decrease Quantity of William Optics Fluorostar 91 APO - Red − Increase Quantity of William Optics Fluorostar 91 APO - Red + Adding to cart… The item has been added. was founded in Taiwann for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. Telescope: William Optics FLT 120 (780mm at F/6. Out of stock. William Optics RedCat 51 (Unboxing) 0:16. New William Optics Flattener 68III . Open box. 9 imaging APO (Innovative Bahtinov Mask Cover (Patented) included !!)We are very exciting to announce New 2019 Super ZenithStar 81 F6. Add to Wish List. 9 Focuser Dual Speed 3. $691. This William Optics 2" Field Flattener & Reducer has been designed to optimize the flat-field imaging performance of William Optics GT71, GT81, Z81 & Z103 refractors. 0. Related Products. Im going to be using the telescope over the next 2 months for imaging, Ill produce a full review and a video review as Ive done for the FLT-132 that I own. Total integration time of 28 hours and 32 minutes. 5kg. 00. The confused or confusing information that WO puts out re 68III backfocus is unhelpful as has been noted. Wish. Description. New member here. There are a few superficial scratches on the tube but the optics are great. New William Optics Flattener 68III . (No reviews yet). The William Optics FLT 91 has a focal length of 540mm, which brings in smaller DSO’s for a closer look, yet is wide enough to capture some of the most popular large nebulae in the sky. 00. Lens. It's f/7. 03 Add to cart; Sale! New Cat Series Saddle Handle Bar ₹ 5,310. The AM5 can handle the William Optics FLT 120. As some know - I am currently looking for a nice refractor (now to sit beside my 150PDS as opposed to replacing it) and will be used primarily for imaging like the 150. I have since added another 1. Wish List Compare. Birding 250mm Duelside Plate (Manfrotto & Arca Swiss Type) $67. The STM coatings and superb quality provide excellent optical performance and unmatched value. 5" FeatherTouch Focuser. I started with the initial distance recommendations from the product website and I found that I had. Mount: EQ6R-Pro. 00 ₹ 189,731. related to the William Optics FLT120 telescope in one place. 5" Focuser) As low as $8,198. The 44. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. These include entry-level refractors like the Zenithstar series all the way up to top-of-the-line Fluorostar series. William Optics FLT 120 - flattener setup - posted in Refractors : hello, I finally got my first real telescope, a William Optics FLT 120 with the P-FLAT68-iii flattener. Cameras: ZWO ASI 6200mm Pro (Full Frame) and ZWO ASI 120mm-mini. Review. Summary. Coupled with my ZWO ASI1600 MM Pro, the field of view is 2. Comment. $865. 00. Chromatic and spherical aberrations are well controlled. It was useful enough to get me to sign up to CN. Reviews 1. Add to Cart. Fluorostar 91 APO Triplet Refractor. Check items to add to the cart or select all. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. $299. More Information. William Optics Fluorostar 91 Triplet Refractor. You're reviewing: Fluorostar 120. Add to Cart. 3" R&P Focuser. Related Products. Add to Cart. So I'm looking at getting a slightly more portable setup. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Wish List Compare. Fluorostar 132 f/7 APO. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. The following telescope models can be used with the William Optics FLAT6AIII Adjustable Field Flattener. Unit price / per . 5-Inch Focuser attached. 00. 9. The deep-sky imaging performance of that little APO is what. $3,298. 4”), compact enough to qualify as carry-on luggage with most airlines. EQ Mount & Telescope Package. - This scope is extremely sharp and has great color correction, even better than the previous design. I have question for any owners of this scope who may have a Moonlite focuser installed on it. Add to Cart. 99x600" Oiii 65x600" Ha 12x120" R 12x120" G 12x120" B Bortle scale: 6 Telescope: William Optics Fluorostar 132 Flattener: William Optics Flat 68III Camera: QHY600M OAG: QHY OAG-MAdd to Cart. 9. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. New. -6. Vendor William Optics Regular price $ 1,998. I found a great deal on a used William Optic Fluorostar 91 APO with the. But I will post it here as well to show my finish project of the NGC 1499 - California in SHO with 70 Hours of data. High-quality Soft Case. 00. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. William Optics WIFD Redcat 61 F/4. Add to Cart. The W-O web site for the Flat 68 iii shows the back focus for the FLT91 as 75 mm, but also indicates the adjustment distance for a DSLR or mirrorless camera as 5 mm. Submit Review. The three-element optical design features. Description. 00. 0 reviews . The three-element optical design features a 91mm aperture using FPL-53 glass. 5, weight 7. This telescope was released in the UK circa September 2021 so is pr. Add to Wish List. William Optics Fluorostar 120 Imaging Cameras Nikon Z6 (modified) Mounts AVX Filters optolong L-pro 2" Software. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. Out of stock. Quick view Choose Options. – Refractor Design: Apochromat (APO) – Number of Refractor Elements: 3. The William Optics Fluorostar 156 APO OTA is a high quality Apochromatic Imaging and visual use OTA with an aperture of 156 mm and a focal length of 1217 mm or an f-ratio of f/7. Out of stock. with integrated bahtinov mask and CNC finishing. Latest model with 3. You're reviewing: Fluorostar 120. . William Optics. The 3. The W-O web site for the Flat 68 iii shows the back focus for the FLT91 as 75 mm, but also indicates the adjustment distance for a DSLR or mirrorless camera as 5 mm. William Optics FLT 91 Fluorostar 91mm f/5. 4mm image circle makes it a perfect match for full-frame sensors. I use mine for visual applications only. 00. William Optics GuideStar 61 APO With Case £399. Check items to add to the cart or select all. Add to Cart. The WO. ♦ Dual-speed rack and pinion focuser with "Rotolock" clamping. This was my first time imaging or processing SH2-91, it was a fun project and a good learning opportunity. 00 £299. 00. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. Add to Cart. FOA-60 Ortho Apochromatic Refractor. William Optics Fluorostar 91 FPL53 Triplet APO Refractor with 3. Rated 0 out of 5. Those look so nice. 8 Reducer Flattener 7A . I have question for any owners of this scope who may have a Moonlite focuser. Wish ListCompare. 9 Triplet Apo Refractor with Case. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. → Equipment Discussions. New Hot. Sale! Fluorostar 91 APO ₹ 203,103. William Optics Corp. Available from Ontario Telescope and Accessories in Canada. View full details. Language: English. William Optics Gran Turismo 81 WIFD. 9 Petzval Refracting Telescope. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 00 HK. New Hot. 9, 132mm at f/7, and 156mm at f/7. 00 $295. Mount: EQ6R-Pro. $1,998. When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. 34 degrees X 1. Add to Cart. (WxHxD) 99cm x 34cm x 30cm. William Optics Fluorostar 91. 5" Feather Touch dual-speed focuser allows for use of three optional M92 flatteners from William Optics; the FLAT68III, which flattens the field beautifully without focal reduction, the FLAT7A, an APO flattener that will also reduce the effective focal length of the 156 FluoroStar to f/6. New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included). This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. I'm selling my William Optics Fluorostar 91 (FLT91) with a William Optics Uniguide 32mm guide scope. The three-element optical design features a 91mm aperture using FPL-53 glass. Holidays. Filters: Chroma SHO 3nm - 36mm. 9 APO + FREE International Shipping HK$17,380. New 3. I have an A&M 110mm which is the WO 110 FLT with TMB optics and a carbon fiber tube. Press Here to Download a free Adobe Acrobat Reader. 1 Review . Sign up for our newsletter to get exclusive deals, observing tips, and new product announcements. STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm. Barring any QA issues you are guaranteed a good lens. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Related Products. - Extra-smooth 3. 95+. 291bs / 5. Add to Cart. Includes. (Pre Order)New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included) As low as $7,398. Quick view Choose Options. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. New William Optics Flattener 68III . 6" f/8. View full description Download Manual 1 year warranty The FRA500 is slightly lighter and slightly smaller in length. · 60 views · 1 like I currently own a William Optics FLT 91 and am considering selling it to highpoint scientific in order to purchase a William Optics FLT 120. Types of William Optics: RedCat 51 Refractor Telescope. 9 Triplet APO. View as Grid List. The ZWO EAF will definitely fit on the coarse focus knob on left side. $2,494. The lens cell is a TMB design. 5x TV Powermate - posted in Beginning Deep Sky Imaging: I have heard William Optics FLT 91 Fluorostar is one of the best optic refractors of its league. 8 Reducer Flattener 7A . Closed Sundays and major U. 8 reducer Flat 6A III with the M63 to M92 adapter and my ASI2600MC pro. $1,299. Patented William Optics Bahtinov Mask Cover. Check items to add to the cart or select all. 8x reducer / flattener. $2,494. Quick View. 5 ratio refactors. I did have an issue with the focuser, as several screws were very loose and. Write Your Own Review. Fluorostar 91 SKU: T-FLT-91RD-RP33 . 【Clearance】 Zenithstar 61 (Blue) OTA only. Fluorostar Series 1 Product; CAT Series 4 Products; Video Demonstration. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. rotatable. Hello 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. Categories Categories Brands Brands. 5 and a focal length of 780mm. 00. To ensure the FLT91 Fluorostar is functional with a wide range of equipment, William Optics has designed it to be compatible Canon EF and RF, Nikon F and Z, Sony E, Pentax K, Micro 4/3, and Fuji X T-Mounts. Good condition with some slight signs of use as you would expect - complete. 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. $1,698. As low as $4,378. Gran Turismo 81(Innovative Bahtinov Mask Cover (Patented) included!!) 2019 All New Gran Turismo 81Innovative Bahtinov Mask Cover (Patented) & New Dovetail Plate included!The new 2019 GT81 three-element super APO Anniversary offer supeWilliam Optics Fluorostar FLT 91 APO Triplet £1,989. Description William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. William Optics - 2'' Adapter for Flat6AIII (Does NOT Support Twenty Years Anniversary Edition!) With this 2" adapter and FLAT6Alll together, it will work for most refractors from 3"~ 4" f/6. $28. Our #: T-WO-A-F120-RP33. Back Focus (WO Fluorostar 91 with FLAT6AIII Flattener and Fuji XT3) - posted in Beginning Deep Sky Imaging: Hi, I am somewhat new to astrophotography (this is my 1st post here) and struggling to understand how to achieve the right back focus, to calculate for the things in my imaging train that need to be accounted for. 25-inch 90-deg Erecting Prism Diagonal from the same William Optics vendor at eBay. As with other new WO's the Bahtinov mask is built into the lens cap. William Optics Fluorostar 91 APO Triplet Refractor - Red. Information; Reviews (0) Article number: P-FLAT6AIII-M92: Availability: More on the Way to us: Delivery time: More on the Way to Us: FLAT6AIII special edition for Fluorostar 91. Camera Angle Rotator with M92 thread. This review saves. My first YouTube video! Watch as I unbox the William Optics Fluorostar 91 and give my initial thoughts and impressions. Cloudy Nights. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Write a Review. 3" Rack & Pinion Focuser - Specify Color Home / William Optics Fluorostar 91 with 3. Creating an account has many benefits: See order and shipping status; Track order history; Check out fasterThe new William Optics Fluorostar FLT 120 is a three element air-spaced apochromatic refractor with a focal ratio of f/6. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. Looking at the FLT91, assuming it comes in at $2k, adding a flattener and. Compare Selected. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. 1 Review . View full description Download Manual 1 year warrantyNew Fluorostar 132 (Innovative Bahtinov Mask Cover) ₹ 393,103. Related Products. William Optics. 0 out of 5 stars based on 1 product rating (1) $2,849. 0. Fluorostar 151 Triplet APO (Discontinued) $8,898. Follow us: Join our mailing list: Signup. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. I bought this: William Optics FLAT6AIII x0. 9 Triplet!!! Totally lucked out and found one in stock at one of the Telescope sites. Write Your Own Review. Full manufacturers warranty. . Cameras: ZWO ASI 2600mm Pro and ZWO ASI 120mm-mini. The doublet objective uses FPL53 glass (Image 1. Takahashi TSA. 8 Reducer. Cyclops Optics provides exclusively FREE screw smoothing service to all William Optics telescopes. You're reviewing:New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Nickname. $99. 00 Add to Basket. I am interested in getting a motorized focuser that is know to fit a William Optics FLT 132 APO refractor - I am looking for something that would be suitable for automated focus operations when using. Designed with nearly Full frame chip-size DSLR cameras in mind. William Optics has a reputation for mechanically well built refractors and I would have to say the FLT-98 is no exception. SKU. P08 Crafting the Earth's Finest Astronomical Instruments o o o Usage The Fluorostar 110 is designed to work with both 1 1/4 inch and 2 inch diameter eyepieces in various focal lengths, for both daytime and nighttime viewing. Im excited. You're reviewing: 【Refurbished】Fluorostar 91 APO-Space Grey. Add to Cart. 00. 00. The photo of the 2 telescopes with Feather Touch focusers is courtesy of Bill McLaughlin. Saddle handle bar: Newly designed. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. “Zach, thanks again!”I had the. As low as $599. To automate your focuser: It you are imaging/ viewing remotely, you can aUsing this adjustable field flattener makes astrophotography with the William Optics 73 mm ZenithStar APO Refractor even better. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Innovative Bahtinov Mask Cover (Patented) & Soft carry bag included!!Simply put: a joy to use. Fluorostar 91. Open box. No more image shift. 00. ZenithStar Series Doublet 'Apo' Refractors 5. Out of stock. All New WO x0. The red trim has grown on me, and my wife likes it. 00 HK$26,880. Wish List Compare. Abuse reports are anonymous and the content's owner will not be. Megrez 90 FD - Fluorite doublet review - posted in Discussion of CN Articles, Reviews, and Reports: Megrez 90 FD - Fluorite doublet review By Gianluca Rossi. 6 and can be reduced with a reducer to f/3. The WO being only a triplet would not be flat across the entire field. Write a Review. Write a Review. 00. 00. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. 00. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. 30 ₹ 4,310. Disassemble the telescope: If you have to store the telescope for a long time, it is best to disassemble it. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. Out of stock. Coupled with my ZWO ASI1600 MM Pro, the field of view is 2. 91mm Aperture. . Wish List Compare. $1,299. 75. 9 Triplet Apo Refractor with Carry Case - Space Gray # A-F132TGIV-RP37R. 6 Refractor with All-New 2014 model 3. This William Optics field flattener is designed specifically to work with the FLT 91 APO refractor. 00. Out of stock. Vaonis Vespera Smart Telescope. All New WO x0. 00. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. RedCat 61 WIFD APO 300mm f/4. FLAT6AIII special edition for Fluorostar 91 . To ensure the FLT91 Fluorostar is functional with a wide range of equipment, William Optics has designed it to be compatible Canon EF and RF, Nikon F and Z, Sony E, Pentax K, Micro 4/3, and Fuji X T-Mounts. [This Product is Excluded from Coupon/Promotion]William Optics FLT 120 Fluorostar 120mm f/6.