High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. full clouds. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Nickname. 95+ Strehl Ratio. 【DEMO】Binoviewer Complete Package. Add to Cart. 【Refurbished】RedCat 51 Ix APO 250mm f/4. - Extra-smooth 3. FluoroStar Accessories Chart Step-I Step-2 Step-3 Connection Instructions (Mounting Rings) Safely secure the 105mm mounting. Cloudy Nights. “Zach, thanks again!”I had the. View full details. Details. It was useful enough to get me to sign up to CN. 00 Sale. 00. But i can not find reports about how well this. Note: Adjustment Distance for DSLR and Mirrorless Cameras (and other cameras with the same backspacing) is 5. 9 Triplet Apo Refractor with Carry Case - Gold # T-FLT-91GD-RP33 William Optics FLT 91 Fluorostar 91mm f/5. 95+. WO FLT91 and Moonlite Focuser - posted in Refractors : Yeah, yeah! Go ahead and blame me for the beautiful weather. 1 Item. The three. So, this comes down to the. New William Optics Flattener 68III . Reviews (0) Be the first to Write a Review for. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. 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. William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. Used for product review. 00. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. Testing The William Optics FLT-98 APO Refractor - posted in Refractors : Today I received a new William Optics FLT-98 for testing. SKU. 00. 00. 00. 5 APO Triplet Refractor - Red. 25" WA 1. Fantastic review and summary of William Optic scopes. Related Products. More Information; Specification: Reviews. Just not sure of the quicker f6. 7. 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 William Optics Flat6AIII is an apochromatic triplet 0. Dielectric Coating Diagonals; Erecting Prisms; Accessories. 9 Fluorostar. The STM-coatings and superb quality provide excellent optical performance and unmatched value. Add to Cart. Using FPL-53 glass this telescope provides excellent aberration correction. 5: 780: Triplet: 3. New William Optics Flattener 68III . William Optics FLT 91 with 2. As low as $4,378. I have somewhat narrowed it down between an Esprit 100 or the William Optics Fluorostar 91. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. 14-inch) Aperture f/7. The STM coatings and superb quality provide excellent optical performance and unmatched value. 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. De FLT 91 is de perfecte apochromatische refractor voor visuele en fotografische astronomen die kwaliteit eisen in een middelgrote telescoop. 8 Reducer Flattener 7A . Quick view Choose Options. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. Wish List Compare. 5 - posted in Refractors : Looking for information on visual use for planets, lunar and deep sky. FMC triplet APO design. My first YouTube video! Watch as I unbox the William Optics Fluorostar 91 and give my initial thoughts and impressions. Unfortunately, I was not able to get the focus right. I have since added another 1. $2,494. High-quality Soft Case. Quick view Compare Choose Options. The 68III is at least twice as big and twice as heavy as the 6AIII. William Optics Fluorostar 132 - Red. Fluorostar 132 f/7 APO. 00. Here, I will review the William Optics Zenithstar 61. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. 5 ~ f/8 APO that has 2" barrel opener. 3" R&P Focuser Color Red Space grey Lens Material So far, the stars are looking better and better as I back it out more. first night with scope. 77 degrees (see scope mounted, Version B). William Optics New FLT 132 Fluoro Star 132mm f/6. Both set ups look attractive and suitable to my needs. the content will be. New. Quick view Compare Choose Options. Full frame size. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. $2,494. William Optics Fluorostar 91. The FRA500 has the built in flattener and no back focus issues. FLAT6AIII special edition for Fluorostar 91 . 00. William Optics Gran Turismo 81 WIFD. 14″ (156 mm) – Telescope Focal Ratio: f/7. William Optics Fluorostar 91 APO. Our #: T-WO-A-F132TGIV-RP37R. Patented William Optics Bahtinov Mask Cover. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. onto WIlliam Optics Fluorostar 91 | Download free 3D printable STL models. 72 Reducer Flattener 8. 5mm spacer, but got elongated stars in the four. STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm. Takahashi TSA. 1 65kg (OTA only) 1 2. 9. 00 Select options. All New WO x0. Our Price: $1,998. 90 Joe Matthews #. The STM coatings and superb quality provide excellent optical performance and unmatched value. Submit Review. Contiguous US Customers: All items we sell ship for free within the Contiguous US. Page 1 of 2 - Askar FRA500 vs the WO FLT 91 - posted in Refractors : Looking at these two scopes. Fluorostar 91 SKU: T-FLT-91RD-RP33 . 9 Focuser Dual Speed 3. The upgraded 3. $656. William Optics Fluorostar 91 APO Triplet Refractor - Red. It is ideal for astrophotography. William Optics Fluorostar 91; ZWO EAF; ZWO EAF to FLT91 key information. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. Review. 00 Add to Basket. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. Its always a shame to take off the visual back on these. William Optics Fluorostar 91 Triplet Refractor. 38 comments. If you read nothing else you need to know the following: You MUST remove the large spacer at the end of the scope, it has the knurled rotolock attached to it - this is the single biggest issue when people can't achieve focusFLAT6AIII special edition for Fluorostar 91 . The FRA is also a natural f/5. Zenithstar 81 APO. Wish List Compare. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. This accessory is a must-have for refractor astrophotography. Hot. About William Optics 2. 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. 9 Apo Refractor - 20th Anniversary Edit Very nice scope, looks fantastic and works perfectly. Used for product review. $558. Image credit: William Optics. 00. 5 WO 110mm triplet OTA, a first class aluminum case for the above scope, a set of white 115mm tube rings (power coated white, these are MUCH nicer than the Parallax 1 William Optics FLT-110 Aperture - 110mm Focal Length - 715mm Focal Ratio – f6. Mfg #: A-F132IVTG-RP37R. The three-element optical design features. $1,299. Add to Cart. Buy another brand of same specifications almost, i have TS Optics one that i ordered. Cameras: ZWO ASI 6200mm Pro (Full Frame) and ZWO ASI 120mm-mini. Add to Cart. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7. 72 with the recommended 'William Optics Flattener Reducer 6' at 0. The scope was delivered in a box with the case and scope inside. (WxHxD) 99cm x 34cm x 30cm. Unit price / per . 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the FLAT6AIII 0. 9 APO triplet refractor is decked and ready to ride on your telescope mount! Whether you want to do visual astronomy, astrophotography, terrestrial observation or wildlife photography, this the scope for you! The FLT91 is designed form the optics down for a quality experience. View full details. Once I got it dialed in I have an almost perfect flat field first try. The FPL53 Triplet APO Optics deliver superb contrast and excellent colour correction. Both set ups look attractive and suitable to my needs. William Optics Fluorostar 91 APO - Red (2) $2,697. $275. Gran Turismo Series – Triplet Refractors 6. 71. Add to Cart. I hope this helps. 9 imaging APO (Innovative Bahtinov Mask Cover (Patented) included !!)We are very exciting to announce New 2019 Super ZenithStar 81 F6. 9 Focuser Dual Speed 3. The focuser has smooth, precise reduction, a temperature display and a large adjustment range. Finally available at an AMAZING price in its class. William Optics. 25". My William Optics FLT91 (without reducer) comes out to 540mm at f/5. This is a 132mm (925mm) f7 air spaced triplet using FPL53 glass. 3" Rack & Pinion Focuser Astronomers desirous of superb visual and photographic intermediate. $865. Celestron CGEM II 800 HD. The 68III is at least twice as big and twice as heavy as the 6AIII. rotatable. Anyone having experience with either or both, your observations and knowledge would be appropriated. 2, or the FLAT8. Features a top-quality triplet air-spaced apochromatic objective. 00 Add to Basket. You have no items in your wish list. Rated 0 out of 5. View as Grid List. 48mm T mount for. I'm selling my William Optics Fluorostar 91 (FLT91) with a William Optics Uniguide 32mm guide scope. Wish List. Finder series. 5” Linear Power Focuser again with the Excellent 1:10 fine focuser. 13. Fluorostar 151 Triplet APO (Discontinued) $8,898. 5-Inch Focuser attached. Add to Cart. why are fluorostar's more expensive than other WO scopes? is it the quality of the glass, the weight savings, the aperture size, or something else?. was founded in Taiwann for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. 5mm spacer, but got elongated stars in the four corners. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 【Clearance】 Zenithstar 61 (Blue) OTA only. Just ordered a Space Gray William Optics FLT 91 Fluoro Star 91mm f/5. William Optics Fluorostar 91 FLT91 f/5. 00. Add to Cart. Vendor William Optics Regular price $ 1,998. · 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. Edited by e34stx, 13 April 2021 - 04:46 AM. William Optics FLT 91 Fluorostar 91mm f/5. $5,668. New. After lots of research into refractors I have narrowed down to Willam Optics and mostly leaning towards getting a Zenithstar 81 APO. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. Description. Add to Cart. Out of stock. Add to Cart. 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. Quick View. $1,998. → Refractors. Page 2 of 3 - William Optics FLT 120 - Fluoro Star 120mm f/6. Out of stock. William Optics FLT 91 Fluorostar 91mm f/5. 6lbs) including tube rings and dovetail plate. It has so much of the things I think I am looking for; light weight, short tube length, relatively cheap and close to grab n go. 9 APO Refractor features a three element triplet design and uses FPL-53 glass. Flat6AIII special edition for FLT91. Open box. Customer reviews. Submit Review. 00 Add to Basket. 3 apochromatic. $1,698. 【Refurbished】Fluorostar 91 APO-Space Grey. William Optics. Write a Review. EMAIL. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Wish List Compare. 2) Esprit 150ED and EQ8-R. More Info . 99. Guide. ln addition, with STM-coatings enabling superb optical performance, the FLT. The 3. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. Nickname. 00. More Information; Specification: Reviews. Create New Wish List. New William Optics Flattener 68III . Quick View. The store will not work correctly in the case when cookies are disabled. 5 TV Renaissance used in 1987. Write a Review. Figure 7 – A William Optics field flattener (FLAT-73A). Refractor Telescope, Astrophotography, Telescopes. The three-element optical design features a 91mm aperture using FPL-53 glass. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. All New Slide-base UniGuide 50mm Scope. The STM-coatings and superb quality provide excellent optical performance and unmatched value. $99. January 30, 2023 by Patrick. 87. 291bs / 5. 00. 00. Types of William Optics: RedCat 51 Refractor Telescope. William Optics Fluorostar 91 APO Triplet Refractor - Red. 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. Wish List Compare. 9; Focuser: Dual-Speed 3. It is not Fluorite, it's Fluorocrown" which should be FPL-53 and not FPL-51. x0. William Optics Fluorostar 91 APO - Gold. William Optics Fluorostar 91 APO - Gold. 9. 99. 3" Rack & Pinion Focuser - Space Grey Version. – Refractor Design: Apochromat (APO) – Number of Refractor Elements: 3. I also received the WO FLAT 6A III x0. Cameras: ZWO ASI 2600mm Pro and ZWO ASI 120mm-mini. The new William Optics Fluorostar FLT 120 is a three element air-spaced apochromatic refractor with a focal ratio of f/6. New William Optics Flattener 68III . Add to Cart. Diameter: 51mm Focal Length: 250mm Focal Ratio: f/4. WO FLT91 and Moonlite Focuser - posted in Refractors : Yeah, yeah! Go ahead and blame me for the beautiful weather. 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. 9 Focuser : 3. 0 TELESCOPE. Used for testing / review purposes. You have to take out a screw on the bottom of the focuser to get to the 2 set screws holding the knob on and then remove knob. William Optics RedCat 61 WIFD APO 300mm f/4. A few days later I purchased a WO 1. William Optics. 2 inch Durabright CF Plate. Mfg #: A-F120. 5" rack and pinion focuser is excellent. Add to Cart. Of these 3, my choice would be the Esprit 120. 2 plus a 3. William Optics RedCat 51. Be the first to Write a Review for this item! FAQ Please fill in the form below to ask a question. 1. $656. 25 inch RotoLock) All new, a unique, RotoLock high-quality fully multi coated WO 50mm f/4 Guiding scope that fits. 00 (saving £198. $1,598. Hot. 00. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. 5" Focuser) Nickname. It is ideal for astrophotography. 1) William Optics Fluorostar + CEM70G. Length: 15. William Optics Flat6AIII 0. The three-element optical design features a 91mm aperture using FPL-53 glass. 【Refurbished】RedCat 51 Ix APO 250mm f/4. William Optics. Fluorostar 120. Review. The William Optics FluoroStar 120 Refractor is an air-spaced triplet APO. 00. Language: English. → Equipment Discussions. 1 Review . 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. Nice results. Forums; Members; Gallery; Events; Blogs; Code of Conduct; Staff; Online Users; MoreWilliam Optics Fluorostar 132mm f/7 Triplet APO vs Explore Scientific 127 mm f/7. 78%. William Optics Gran Turismo 81 f/5. hopefully in a couple hours i can try it out Do the test for us, put the mask, and. 9. 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. Abuse reports are anonymous and the content's owner will not be. 9 Triplet!!! Totally lucked out and found one in stock at one of the Telescope sites. Heywood. 3" R&P Focuser Color Red Space grey Lens MaterialHello everyone!In this video I will be going over the William Optics FLT91. The tube weighs just 3. Free shipping. Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. 9 Triplet Apo Refractor with Case William Optics FLT 91 Fluorostar 91mm f/5. Add to Cart. Erecting Prism. The FRA500 has the built in flattener and no back focus issues. Related Products. Regular price $1,499 10+ In Stock View. Feather Touch® 3. 9 Focuser Dual Speed 3. Sale! Fluorostar 91 APO ₹ 203,103. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. William Optics From the RedCat to the ZenithStar series and beyond, you'll find amazing optical quality and awesome fit and finish when you shop William Optics telescopes at OPT. . Add to Cart. Add to Wish List. Fluorostar 120. Basic Information: Telescope: William Optics FLT 91 with FLAT 6AIII reducer. The same is true for the FLT 132. Add to wishlist / Add to compare / Print Related products.