8x Reducer/Flattener, as a treat to myself. I was just about to buy myself the FL91 , and this discussion here gave me a pause. Qty. 5, weight 7. From Our Price: $3,298. A patented light weight Bahtinov mask is. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. $656. We plan to keep producing fine instruments both for the entry-level and. However I have not found many reviews or youtube video reviews about this particular scope. 3-inch Rack and Pinion focuser featuring a turn/click to lock eyepiece holder, a new central lens element and new steel lens cell. 9 Focuser Dual Speed 3. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. 00 Add to Basket. New William Optics Flattener 68III . Next session will see me adding a total of 2mm. 5mm and 21mm extension that came with the camera. 00. Released just a few years ago, the RedCat 51 took the astrophotography world by storm and continues to be one of the most frequently recommended widefield imaging telescopes for any level of experience. $1,568. 6 Refractor with All-New 2014 model 3. Summary. Extension Tube Weight. Summary. William Optics Fluorostar 91 FPL53 Triplet APO Refractor with 3. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. Heavy-Duty Focuser with Integrated Camera Rotator, Tube Rings, Soft Case and Accessories. This beautiful 91mm f/5. 8x. 00. → 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. 0 Flattener Adapter + $49. SWAN 2"STC Astro Duo-Narrowband Filter. The confused or confusing information that WO puts out re 68III backfocus is unhelpful as has been noted. New. 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. The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements. 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. 00. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 9. Latest model with 3. Summary. 00. 2 kg, length 680 mm with dew shield fully retracted, 850 mm with dew shield fully extended, image circle 43 mm (with separate field flattener). P-FLAT6AIII-M92. The STM-coatings and superb quality provide excellent optical performance and unmatched value. 99. Zenithstar 81 APO. 48mm T mount for Pentax K - Black. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 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. 75 UniGuide Scope with Slide-Base - Red # M-G32PB-RD (Value: $114. * Your Name. A few days later I purchased a WO 1. Cheers -. Made with CNC anodizing. Page 4 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Seems like there is a pretty large shipping fee to order from WO website to the US. Add to Cart. Nice results. Free. Image credit: William Optics. $1,998. 5mm spacer, but got elongated stars in the four corners. TS says that can cover a full frame sensor but i expect some vignetting. Z. $99. Using three elements made of high-end fully coated glass like FPL-53 virtually removes chromatic aberration and produces images that are sharp and full of contrast. William Optics Fluorostar 91 APO - Red. 5 Triplet APO Telescope with 3. 72. Out of stock. Wish List Compare. FOA-60 Ortho Apochromatic Refractor. William Optics. 00. 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. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. Add to Cart. Abuse reports are anonymous and the content's owner will not be notified. 3" R&P Focuser Color Red Space grey Lens Material Hello everyone!In this video I will be going over the William Optics FLT91. Their website is just plain wrong and has wrong information regarding the 68III and the FLT91. Filters: Chroma SHO 3nm - 50mm unmounted Filters. 4 Reviews. I have the Redcat 51 and loved the quality. The three. choose, but William shipped me (direct from Taiwan) the f6. Submit Review. The William Optics Fluorostar 132 (FLT 132) is ideal for astrophotography due to the FPL-53 glass objective lens. 0 TELESCOPE. 8 Reducer. . 5" Linear Power focuser: a treat to use during astrophotography. As low as $599. Feather Touch® 3. 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. Joined: 07 Feb 2017. 00. 5mm spacer, but got elongated stars in the four corners. 0. Cant imagine the 6AIII on the FLT132 with a M92-M63 adapter. Clip Filter Astro Duo-NB for Sony FF. Add to Cart. Using three elements made of high-end fully coated glass like FPL-53 virtually removes chromatic aberration and produces images that are sharp and full of contrast. Quick View. The scope was delivered in a box with the case and scope inside. 5” M63 Focuser. William Optics FLT110mm f7 TMB designed triplet and matching field flattener. Add to Cart. 7 scope with a flattener/reducer that takes it to F6. 00 ₹ 369,310. Fully multi-coated 2-element unit was designed and produced by William Optics, the inner flattener lenses can be set at the optimum 66mm-86mm back focus by simple hand twist (Distance from flattener lens to. Additional Information. Reviews 1. I upgraded to a Baby Q and stopped using the FLT91. 9 Triplet Apo Refractor. This accessory is a must-have for refractor astrophotography. Be the first to Write a Review for this item! FAQ Please fill in the form below to ask a question. Agree with Pete, and therein lies the issue with William Optics. Be the first to review this product. 575kg (OTA withThe William Optics line of refractors offers high quality optics and fast focal ratios in a lightweight, portable telescope. It is extra heavy-duty, making it durable. 818-347-2270. Wish List Compare. 9 Focuser : 3. William Optics' new Dovetail Plate expands your options: you can now choose a fully-anodized, WO product to mount you The store will not work correctly in the case when cookies are disabled. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. William Optics Fluorostar 91 / FLT91 / New scope and flattener/reducer; New scope and flattener/reducer. The dew shield is retractable and slides firmly but smoothly up and down the body of the scope. . Precision optics with STM coatings. SKU. Wish List Compare. Using FPL-53 glass this telescope provides excellent aberration correction. 9. Barring any QA issues you are guaranteed a good lens. William Optics Gran Turismo 81 f/5. Compare Selected. 95+ The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 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. Add to Cart. 【Refurbished】RedCat 51 Ix APO 250mm f/4. Related Products. Average Rating (3 Reviews): Rating (max 5): I bought the William Optics Fluorostar FLT 91 Apochromatic Refractor recently (March 2022) along with the William Optics Adjustable Flat6A III 0. This is a NEW listing. Customer reviews. The FRA is also a natural f/5. New Sale. William Optics Fluorostar FLT91 f/5. Download Manual. 9 Triplet Apo Refractor with Carry Case - Red # T-FLT-91RD-RP33. 35″ of clearance for the draw tube to go inside. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. Quick View. 77 degrees (see scope mounted, Version B). The William Optics Zenithstar 61 is one of William Optics’ most compact apochromatic refractors. 9 Focuser : 3. It's f/7. 9 APO Refractor features a three element triplet design and uses FPL-53 glass. $293. New for 2021 - William Optics Fluorostar / FLT 91. 4mm This William Optics 2" Field Flattener and Reducer has been designed to optimize the flat-field iTak's have a reputation of, for the most part almost amateur perfect optics and consistently so. net. 2 Reviews . I have therefore been looking at shorter wider. $2,299. William Optics FLT-91 f/5. "high performance and looks good doing it, versatility, manageability, afforfability: a better balance than anyone has a right to expect". Wish List. Mfg #: FLT91-TG. $1,598. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 5 ratio refactors, including the new FLT91 telescope. 3" Rack & Pinion Focuser Astronomers desirous of superb visual and photographic intermediate. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. # 10/7/2021. 25" WA 1. Wish ListCompare. 2 plus a 3. William Optics Fluorostar FLT91 f/5. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz. Optics: William Optics Fluorostar 91 w/reducer: Filter Wheel: ZWO 7-position automated filter wheel (50mm/2″). 00. Language: English. Add to Cart. Cant imagine the 6AIII on the FLT132 with a M92-M63 adapter. Hot. 00 $1,698. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. William Optics FLT 91 Fluorostar 91mm f/5. Designed by a leading designer with FPL-53 glass. The build quality is much better on the William and the color correction on the Stellarvue with no name glass is not the best. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Regular price $1,499 10+ In Stock View. rotatable. 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. William Optics Fluorostar 91 APO. 00. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. 9 Triplet Apo Refractor with Carry Case - Space Gray # A-F132TGIV-RP37R. $109. The three-element optical design features a 91mm aperture using FPL-53 glass. Note：End of 2" barrel has 48mm threads. The three-element optical design features a 91mm aperture using FPL-53 glass. William Optics Fluorostar 91; ZWO EAF; ZWO EAF to FLT91 key information. 34 degrees X 1. 1 Review . Rated 0 out of 5. Summary. 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. More Info . Mfg #: A-F132IVTG-RP37R. Shipping will be via the cheapest shipping. Fluorostar 132 f/7 APO. Add to cart. Write Your Own Review. x0. 00. $691. RedCat 51 II APO 250mm f/4. 105Kg. Good condition with some slight signs of use as you would expect - complete. Review. Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. Add to Cart. Edited by e34stx, 13 April 2021 - 04:46 AM. Customer reviews. 8 reducer Flat 6A III with the M63 to M92 adapter and my ASI2600MC pro. search; Login ; 3D Models; Community. This was my first time imaging or processing SH2-91, it was a fun project and a good learning opportunity. " alt="" /> . William Optics FLT120 - 120 mm f/6. 0 mm in spacers and still the same problem. 25". Wish List Compare. Shopping with us. Camera Angle Rotator with M92 thread. Gran Turismo Series – Triplet Refractors 6. . 0 out of 5 stars based on 1 product rating (1) $2,849. AED 9,600. 9 APO Refractor features a three element triplet design and uses FPL-53 glass. 1 81bs / 4. Wish List Compare. Review. Closed Sundays and major U. Fluorostar 91 APO quantity. Regular price $1,998 3 in stock View. Full manufacturers warranty. 77 degrees (see scope mounted, Version B). Zenithstar 61II APO. Log In; Register; Order Status; Order History;M42, William Optics FLT120. 291bs / 5. 7. S. You're reviewing: 【Refurbished】Fluorostar 91 APO-Space Grey. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. Astronomy > Telescopes > William Optics > FluoroStar > William Optics Apochromatic refractor AP 91/540 Red OTA Product no. cþl 22mm Weight : 9. It is ideal for astrophotography. 99. Testing The William Optics FLT-98 APO Refractor - posted in Refractors : Today I received a new William Optics FLT-98 for testing. 00. $198. Add to Cart. Wish List Compare. The William Optics Flat6AIII is an apochromatic triplet 0. The STM coatings and superb quality provide excellent optical performance and unmatched value. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. 95+. #101, Woodland Hills, CA 91364. 95+. Review. Both about the same price. Related Products. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution. Zenithstar 81 APO. I wanted to create a thread to contain all information, tips, guides etc. x0. The same is true for the FLT 132. Wish List Compare. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. $378. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) As low as $4,378. Because the Fluorostar 110 is wellSpecial Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. Another great choice would be the Stellarvue SVX-130T, but it is ~2x the price of the Esprit. 5" ( cm) Watts: 7. The triplet uses Ohara ultra low dispersion FPL53. Select Options. 00 Add to Basket. All Instruction Manuals for William Optics products are available for online viewing or download as PDF files. New for 2021 - William Optics Fluorostar / FLT 91. Create. Comment. Related Products. William Optics Corp. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. Page 2 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : The longer I wait, the more on the fence I find myself. 2 Reviews . Out of stock. After nearly 16 years of owning and using apochromatic refractor telescope from Astro-Physics (128 Starfire, 105 Traveller, 130EDFS, 155EDFS), TMB (80mm, 105mm) and Takahashi (FS60-C, TOA130, FSQ106), I thought it was time to give a newbie on the. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. WO FLT91 and Moonlite Focuser - posted in Refractors : Yeah, yeah! Go ahead and blame me for the beautiful weather. $229. New Hot. 【Refurbished】Fluorostar 91 APO-Red. The Esprit+EQ8 are probably a "handful" in terms of handling, but I have seen people use it in they backyard without a permanent installation. William Optics is a Taiwanese telescope and accessories company founded in 1996 by amateur astronomer William Yang. Follow us: Join our mailing list: Signup. William Optics FLT 91 Fluorostar 91mm f/5. The William Optics FLT156 Triplet APO Refractor specifications include: – Telescope Series: William Optics FLT. Both set ups look attractive and suitable to my needs. Vixen Style Mounting Base for RedCat - Black. Write Your Own Review. The Esprit+EQ8 are probably a "handful" in terms of handling, but I have seen people use it in they backyard without a permanent installation. $229. While there is a lot more information to come. 00. 5 with an APO X0. More Information. SKU. Basic Information: Telescope: William Optics FLT 91 with FLAT 6AIII reducer. More On The Way. FLT-132 is equipped with the heavy duty. 9 Focuser Dual Speed 3. New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included). Details. RedCat 71 APO 350mm f/4. 5 Truss tube Dobsonian; Celestron PowerSeeker 70AZ Telescope ($10 Scope) Orion. 00. For the William Optics . Add to Wish List. Wish List Compare. Details. 5 stars based on 1 reviews William Optics. This particular version has an adapter for use with the Fluorostar 91 and 120. 4”), compact enough to qualify as carry-on luggage with most airlines. Filters: Chroma SHO 3nm - 36mm. FLAT6AIII special edition for Fluorostar 91 . 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. Add to Cart. 00 Add to Basket. 3" RP: Yes:. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. William Optics RedCat 61 WIFD APO 300mm f/4. The FRA is also a natural f/5. ZWO. 00 2022 NEW Release: William Optics FLT-120 Triplet APO Refractor + International Free Shipping HK$28,880. 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.