Regular price $1,499 10+ In Stock View. Summary. The three-element optical design features a 91mm aperture using FPL-53 glass. This is a 132mm (925mm) f7 air spaced triplet using FPL53 glass. William Optics RedCat 51 (Unboxing) 0:16. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. $656. 25" WA 1. Full manufacturers warranty. Page 21 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : I just discovered this thread, which addresses a few questions Ive had regarding FLT91/68III backfocus. (barely!) and then this drops 91 is. Astrofotografie in optima forma. 00 New;William Optics is in Taiwan. · 225 views Hello, I want to ask if there is a way to remove the dew shield of the William Optics FLT91 scope? I know it can be retracted but l'm trying to remove it to be able to put it in a travel bag. In 1996, William opened William Optics in Taiwan. 5 ratio refactors. Quality. P-FLAT6AIII-M92. Heavy-Duty Focuser with Integrated Camera Rotator, Tube Rings, Soft Case and Accessories. Add to Cart. Cheers -. Wish List Compare. 5" Focuser) As low as $8,198. 3" Rack & Pinion Focuser - Space Grey Version Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. The STM-coatings and superb quality provide excellent. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. The WO being only a triplet would not be flat across the entire field. $656. 00 $295. Anyone having experience with either or both, your observations and knowledge would be appropriated. 540mm Focal Length. 9 Focuser : 3. The doublet objective uses FPL53 glass (Image 1. 0 mm in spacers and still the same problem. 95 FREE! Add Apertura Air Blower for Lens Cleaning to your order. William Optics Fluorostar 91 Triplet Refractor. The STM coatings and superb quality provide excellent optical performance and unmatched value. High-quality Soft Case. Wish List Compare. I wanted to create a thread to contain all information, tips, guides etc. You have no items to compare. Add to Cart. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. $293. Hi all, Curious to see if anyone has any reviews/thoughts on the WO FLT 91 scope. Edited by e34stx, 13 April 2021 - 04:46 AM. William Optics. The flattener that comes with it is superb and can even illuminate full sized DSLRs, but I’ve only used APS-C sized sensors. 5” M63 Focuser. 3" RP: Yes:. . Camera Angle Rotator for 2. → Refractors. 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. $378. 9, 132mm at f/7, and 156mm at f/7. Be the first to review “William Optics Fluorostar 91 apochromatic refractor goud” Cancel reply. The 68III is at least twice as big and twice as heavy as the 6AIII. leaning towards the latter. 00. Contiguous US Customers: All items we sell ship for free within the Contiguous US. 9 Triplet!!! Totally lucked out and found one in stock at one of the Telescope sites. 575kg (OTA with 2. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. 4mm. William Optics Telescopes. 99. 00. New Fluorostar 156 (With Feather Touch 3. William Optics Fluorostar 120 Imaging Cameras Nikon Z6 (modified) Mounts AVX Filters optolong L-pro 2" Software. As low as $171. An index has been included which includes links to the direct post for each topic in question. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. Add to Cart. Clip Filter Astro Duo-NB for Sony FF. Used for product review. 77 degrees (see scope mounted, Version B). Description. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. 5 Triplet APO Telescope with 3. Open box. Note: Adjustment Distance for DSLR and Mirrorless Cameras (and other cameras with the same backspacing) is 5. Cant imagine the 6AIII on the FLT132 with a M92-M63 adapter. Review. I have therefore been looking at shorter wider. Out of stock. 1. View full description Download Manual 1 year warrantyThe FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. WO FLT91 and Moonlite Focuser - posted in Refractors : Yeah, yeah! Go ahead and blame me for the beautiful weather. 00. Full manufacturers warranty. New for 2021 - William Optics Fluorostar / FLT 91. Complete and in great condition. 0. This includes things like the lens cell. Here is my imaging train: William Optics Fluorostar 91 FPL53 Triplet APO Refractor William Optics FLAT6AIII x0. 6. £1,975. New. x0. APO triplet optics made with Ohara glass. 25". You must be logged in to post a review. “Zach, thanks again!”I had the. (Pre Order)New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included) As low as $7,398. New William Optics Flattener 68III This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7. 9. 78%. 00. It's f/7. The William Optics Fluorostar 156 is a 156mm air-spaced triplet APO refractor, featuring FPL-53 optical glass, and high grade coatings for excellent color and contrast. 5" FeatherTouch Focuser. The STM-coatings and superb quality provide excellent optical performance and unmatched value. 00 Select options. Suitable for William Optics uniguide and all of Vixen type finder bases. 00. Open box. 3" R&P Focuser Image Circle : >43mm Retracted Length : 441 mm Extended Length : 51 Omm Dew Shield Circumference : 383mm Dew Shield Diameter . $1,598. Customer reviews. New for 2021 - William Optics Fluorostar FLT 91 Apochromatic Triplet Refractor!! The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 2019 All New Adjustable Flat6AIII (T-mount not included) 2019 All New Adjustable Flat6AIll (T-mount not included) PRODUCT DESCRIPTION: Field flattener / X0. A quick review of the iStar Phantom FCL 140-6. Reviews 1. ZWO. The dew shield is retractable and slides firmly but smoothly up and down the body of the scope. The William Optics Zenithstar 61 is one of William Optics’ most compact apochromatic refractors. Shipping will be via the cheapest shipping. The latest ZWO EAF came with everything I needed to install the focuser to my Fluorostar 91. 9 and reduces to f/4. Here, I will review the William Optics Zenithstar 61. Submit Review. More Info . After lots of research into refractors I have narrowed down to Willam Optics and mostly leaning towards getting a Zenithstar 81 APO. Add to cart. Testing The William Optics FLT-98 APO Refractor - posted in Refractors : Today I received a new William Optics FLT-98 for testing. 00 Maged #. Full manufacturers warranty. 5" rack and pinion focuser is excellent. 00. SKU WO-T-FLT-91GD-RP33 Original price CA$2,697. William Optics Fluorostar 91 / FLT91 / William Optics FLT Dew Shield; William Optics FLT Dew Shield. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. Add 30 Minute Product Setup Appointment with Gear Expert to your order. 0 TELESCOPE. $79. 77 degrees (see scope mounted, Version B). 25 inch RotoLock) 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. 25-inch 90-deg Erecting Prism Diagonal from the same William Optics vendor at eBay. 00. . Related Products. 00. With its triplet 120mm fully multicoated F6. View full description Download Manual 1 year warranty A soft carry case comes standard with the William Optics Fluorostar 91. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series;. 9 aperture, this Fluorostar model strikes a balance between a wide field of view and detailed imagery, ideal for casual, serious stargazers and wide field imagers. Out of stock. January 30, 2023 by Patrick. FluoroStar Accessories Chart Step-I Step-2 Step-3 Connection Instructions (Mounting Rings) Safely secure the 105mm mounting. William Optics GT153 Triplet APO Refractor. net. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. The three-element optical design features a 91mm aperture using FPL-53 glass. Add to cart. Out of stock. Add to Cart. Complete and in great condition. 9, 132mm at f/7, and 156mm at f/7. William Optics WIFD Redcat 61 F/4. Wish List Compare. Summary. 5 and a focal length of 780mm. +. 9 APO (NEW) HK$4,990. choose, but William shipped me (direct from Taiwan) the f6. The William Optics TMB 110mm triplet lens refractor is a very well made telescope. I always wanted to have one of those great looking William Optics 2-inch 90-deg Erecting Prism Diagonal and last year I really lucked out and was able to buy one in absolutely new, pristine condition at eBay (USA). 【Refurbished】RedCat 51 Ix APO 250mm f/4. Related Products. The three-element optical design features. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 8 triplet on its website. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. New 3. 95+ Strehl Ratio. (WxHxD) 99cm x 34cm x 30cm. 25" Diagonals & Erecting Prisms. Follow us: Join our mailing list: Signup. Wish List Compare. was founded in Taiwann for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. 9 imaging APO!!!Innovative Bahtinov Mask CoverWilliam Optics FLT110mm f7 TMB designed triplet and matching field flattener. The deep-sky imaging performance of that little APO is what. It is my understanding the William Optics has never sold a true Fluorite scope. As low as $4,378. 8. With the proper T-Mount and T-ring, users will have a functional imaging setup!New for 2021 - The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Was wondering what people thought of them. RedCat 71 APO 350mm f/4. QC issues described here are something that one would not expect from such established producer. 00)Stunning Optics. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. 8 TRIPLET APO OTA . Dielectric Coating Diagonals; Erecting Prisms; Accessories. Wish List. Write Your Own Review. 【Refurbished】Fluorostar 91 APO-Space Grey. Reviews. 9. SWAN 2" SWAN 1. Agena Website Offer. Gran Turismo 71 APO. Whereas the WO 91 is a natural f/5. Add to Cart. The three-element optical design features a 91mm aperture using FPL-53 glass. Patented William Optics Bahtinov Mask Cover. STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm. View full details. Z. 1. Image 1. Summary. Extension Tube Weight. Write a Review. Add to Cart. William Optics Fluorostar 91 APO - Red. English en. Add to Cart. Add to Cart. Shop William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope | Be The First To Review William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope + Free Shipping over $49. Out of stock. 8x (£139 from FLO). Remove the eyepiece, diagonal, and any accessories, and store them separately in a dry and cool place. 5; Explore Scientific, 16 inch / F 4. 5 TV Renaissance used in 1987. Page 2 of 2 - William Optics Fluorostar 91 Focuser Issue - Response from WO themselves. Fluorostar 91 RotoLock 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. Features of the William Optics Adjustable Field Flattener. Next session will see me adding a total of. 00. 3" R&P Focuser Color Red Space grey Lens Material Hello everyone!In this video I will be going over the William Optics FLT91. $299. ZenithStar 110 WILLIAM OPTICS USA Crafting the Earth's Finest Astronomical Instruments CONTACT US WILLIAM OPTICS USA Toll Free: +1-866-918-6888 (For USA only) Tel: +1-714-898-7989 Fax: +1-714-892-6067 web: e-mail: wo@william-optics. 7. observing and imaging tips, product announcements and reviews! Follow us on Facebook and Instagram!* ← Previous Next →. item 3 William Optics FLT 91 Fluorostar 91mm f/5. New William Optics Flattener 68III . Products Telescopes Fluorostar series Fluorostar series 5 Items Sort By (Pre Order)New Fluorostar 156 (With Feather Touch 3. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 25" WA 1. The three-element optical design features a 91mm aperture using FPL-53 glass. Related Products. William Optics Corp. Takahashi TSA. New Hot. I hope this helps. New Fluorostar 156 (With Feather Touch 3. I also received the WO FLAT 6A III x0. com Crafting the Earth's. 00. 5" R&P Focuser. Review. William Optics FLT Fluorostar 120 f/6. William Optics Fluorostar 91 Apochromat. I was also lucky enough to find the 0. Case Dimensions. Sale New -23. 77 degrees (see scope mounted, Version B). . Related Products. Features of William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope: Another improvement on your most loved 110mm: NEW TMB designed air-spaced APO lens! This scope is ultimately designed for astronomers who wants the best results in photographic/CCD work. 00 Sale price $ 1,998. With the proper T-Mount and T-ring, users will have a functional imaging setup!See some independent Video reviews of the F. A patented light weight Bahtinov mask is. Another great choice would be the Stellarvue SVX-130T, but it is ~2x the price of the Esprit. SWAN 2"STC Astro Duo-Narrowband Filter. ZenithStar 73 III f/5. $865. Because the Fluorostar 110 is wellSpecial Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. Nickname. 3" R&P Focuser Color Red Space grey Lens Material Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. Using FPL-53 glass, this telescope provides excellent aberration correction. 13. It is ideal for astrophotography. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. William Optics - High-Quality Refractor Telescopes, Telephoto Lens, Binoculars, Eyepieces, Diagonals, and other Optical Accessories. Add to Cart. $5,668. – Refractor Design: Apochromat (APO) – Number of Refractor Elements: 3. New Hot. 5 ED optics, the FLT120 will appeal to the discerning astrophotographer and Visual Observer. Maybe in a 120 its no big deal. 8 Reducer Flattener 7A . Open box. New. See shipping choices & costs. FLT156. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. The flattener can be securely screwed on to the drawtube. William Optics Fluorostar 91 — Combines a compact design with remarkable imaging capabilities. William Optics telescope comes with a soft carry bag. Add to Cart. The ZWO EAF will definitely fit on the coarse focus knob on left side. Deutsch; Français; Espanol; Currency: USD. buy DETAILS. Write Your Own Review. More Information. Megrez 90 FD - Fluorite doublet review - posted in Discussion of CN Articles, Reviews, and Reports: Megrez 90 FD - Fluorite doublet review By Gianluca Rossi. 91mm Aperture. 00. 9. All Instruction Manuals for William Optics products are available for online viewing or download as PDF files. William Optics Fluorostar 91 Apochromat. As low as $933. The following telescope models can be used with the William Optics FLAT6AIII Adjustable Field Flattener. . Log In; Register; Order Status; Order History;M42, William Optics FLT120. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. High-quality Soft Case. So I'm looking at getting a slightly more portable setup. Shipping will be via. Case Dimensions. The William Optics FLT 132 features a triplet objective with Ohara FPL53 glass for the ED element and a new improved central element that provides superior contrast when compared to the. Add to Cart. Select Options. Our unbiased reviews on refractor telescopes will help you pick the best refractor telescopes for purchase. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. 34 degrees X 1. It was useful enough to get me to sign up to CN. $691. Add to Cart. William Optics RedCat / SpaceCat Single Mounting Ring - Black. $691. 34 degrees X 1. You have no items in your wish list. SKU. The 3. 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. 8 Reducer Flattener 7A . A case is available from WO at $500, but I purchased a custom case from Case Club for just over $300. William Optics. 5 APO Telescope features a three element FPL53 multi-coated lens and offers an excellent contrast and aberration correction. 00. 00. SKU: T-FLT-91 Category: William Optics. 00. Total integration time of 28 hours and 32 minutes. 00 ₹ 189,731. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the FLAT6AIII 0. T-FLT-91-red-Refurbished.