7. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. The 120mm air-spaced ED APO Triplet optics, made of FPL-53 ED and Schott BK-7 glass, coupled with multi-layers of a high transmission coating, yield sharp, high contrast views with no extraneous color. Images of space, taken by amateurs. 41,727 likes · 1,739 talking about this · 869 were here. What made this project so difficult was the abundance of stars in the region. . 8 Reducer - DIY 3D printed guide cam with IMX290 and ZWO 30F4 Acquisition Details: - 100 x 120s + 230 x 60s - 0 gain. Heavy-Duty Focuser with Integrated Camera Rotator, Tube Rings, Soft Case and Accessories. Add to Cart. I have question for any owners of this scope who may have a Moonlite focuser. That, or purchase a new. (Pre Order)New Fluorostar 156 (With Feather Touch 3. The Fluorostar’s connectivity functionalities help increase workflow efficiencies in any clinical applications. doc 3Version 1. 8 Guiding Cameras ZWO ASI290MM Mini Acquisition details Dates: April 14, 2021Page 15 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : FLT91 > Flat 6AIII @ 5. Equipment: Williams Optics fluorostar 91 with flattener. 9. 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 William Optics Flat68 III · ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 5 x 2" Software Pleiades Astrophoto PixInsightSky-Watcher Esprit 100ED · William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MM Pro · ZWO ASI294MC Mounts Sky-Watcher EQ6-R Pro Filters Astronomik CLS-CCD 36mm · Astronomik Deep-Sky Blue 36mm · Astronomik Deep-Sky Green 36mm · Astronomik Deep-Sky Red 36mm · Astronomik H-alpha CCD 6nm 36mm. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. I recently removed the dovetail on top and put back in place the guide bar to its original setup the way the scope. 8 reducer flattener M92 edition. It was useful enough to get me to sign up to CN. 00 Regular Price $1,998. 40mm. I couldnt get focus until I figured out to remove it. Sort By. ขายกล้องดูดาว William Optics Fluorostar 132 F/7 OTA Red ในราคาที่คุณถูกใจ. View full description. I'm testing out a new scope and flattener/reducer. 【Refurbished】Fluorostar 91 APO-Space Grey. 00 My account / Register. 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. 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. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. Hey, Brian, FWIW, I'd avoid the FLT 91. 67% Basic astrometry details. Wish List Compare 【Refurbished】Zenithstar 73 III APO-Red. The FLT 91 is a superb instrument and I will be using it regularly when the nebula season returns this summer. Special thanks to Agena Astro for get. The three. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the. 25" · Antlia Luminance 1. 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. Add 30 Minute Product Setup Appointment with Gear Expert to your order. Sale Regular price $1,998. Fluorostar series. 8x Flattener/Reducer APO · ZWO ASIAIR Plus SoftwareWilliam Optics Fluorostar 91 / FLT91 Guiding Cameras ZWO ASI174MM Mini Acquisition details Dates: Feb. 3" R&P Focuser. Optional. The only issue is the threads on the FLT 91 are M92, the Flat6AII has M63 threads. You're reviewing: FLAT6AIII special edition for Fluorostar 91. I'm looking forward to this coming Christmas. Now Only $998. 00 ₹ 369,310. 20 Ricky Graham #. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. · 157 views I can use another set of eyes on this issue I'm running into. FLAT6AIII special edition for Fluorostar 91. 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. (The pixel size is 4. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) 1 Review . Now Only $1,498. . Feel free to make a contribution! Learn more. 99. $959. Glass is the same, but you can pay extra for the report on the WO. The STM-coatings and superb quality provide excellent optical performance and unmatched value. Wish List Compare. Qty. Looks like a straight fit with the WO adapter. OK, I'm tempted by the FLT 91 I already have a WO 6A III 0. Fluorostar 91. In Stock. William Optics Fluorostar 91 APO - Gold. Add to Cart. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Available with red, gold or space gray accents. 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:. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. 6M subscribers in the astrophotography community. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. The William Optics Fluorostar 132 (FLT 132) is ideal for astrophotography due to the FPL-53 glass objective lens. 4mm. William has absolutely accomplished his goal, and now has a number of very popular refractor telescope lines. All New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). ع. OK, I'm tempted by the FLT 91 I already have a WO 6A III 0. Zygo Test Report + $99. All New Slide-base UniGuide 50mm Scope. Lo scorso anno avevo presentato sulle pagine di Binomania due rifrattori WIlliam Optics da 61mm e 81 mm della serie Zenithstar. To see how to install the Flat6Aiii including the correct back focus go to the following link:two flatteners/focal reducers is like having two telescopes with different focal lengths. As far as adjusting the initial backspacing it can be done indoors. Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. Fluorostar is a water-based and ultra-thin film roof coating formulated with Kynar Aquatec®, a world. 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. The STM coatings and superb quality provide excellent optical performance and unmatched value. Now Only $998. cþl 22mm Weight : 9. “続いて> FLT-91鏡筒とセットでおすすめなのがフラットナーレデューサー”FLAT6AIII”. In stock. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. This flattener contains a 63 mm opening on one end that threads into the telescope, and an M48x0. As low as $730. Wish List Compare. Fluorostar 120. Regular price $4,378 1 in stock View. 【Refurbished】Fluorostar 91 APO-Red . The three. 3 FM. We would like to show you a description here but the site won’t allow us. Naturally, they had a non-EC show up as in stock the next day. This is a premium quality triplet APO (apochromat) capable of producing crisp, well color-corrected images. add to list. Images of space, taken by amateurs. Using FPL-53 glass this telescope provides excellent aberration correction. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. That does not mean that it cannot be used visually, with an eyepiece, for the visual observer who wants the very best image. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. Share. ع. Wish List Compare. Details and Features. 【Refurbished】Fluorostar 91 APO-Red . • Can be used in both autofocus and manual modes. 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 William Optics Flat68 III · ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 5 x 2" Software Pleiades Astrophoto PixInsight Guiding Telescopes Or Lenses. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. The three-element optical design features a 91mm aperture using FPL-53 glass. New for 2021 - The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. ZWO AM5 mount. . 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. As low as $171. 56% Hot. 4mm spacing is more or less a. View full description. I've been considering a WO FL 91 for awhile to use only in visual observing. 00 Original price. 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. 8x flattener hereAdd. 00-425243-01. 00 Regular Price $1,998. 8 FR (M63 thread). 8x for Fluorostar 91 - suggested by web store. The three-element optical design features a 91mm aperture using FPL-53 glass. The Stellarvue SVX102T-R has also caught my eye, with bigger aperture and less expensive flattener/reducer. Whereas the WO 91 is a natural f/5. The FRA is also a natural f/5. Fluorostar 120. 0. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. Hours of Operation. item 4 William Optics Fluorostar 91 FLT91 f/5. William Optics Fluorostar Series: Optolong L-Ultimate filter: ZWO ASI 2600MC PRO: ZWO AM5: In these collections OSC About. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. This is a NEW listing. Download Manual. Despite being only a little longer, that diameter and extra glass means this is much heavier than my Z73. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. A. . I found a great deal on a used William Optic Fluorostar 91 APO with the. Adapters. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. So far, the stars are looking better and better as I back it out more. 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. Astrometry. FOA-60 Ortho Apochromatic Refractor. 7) / GTF102 : Telescope or lens: 3: 20: William Optics Gran Turismo 102 / GT102 : Telescope or lens: 22: 345: William Optics Gran Turismo 153 / GT153 :ウィリアムオプティクス社 Fluorostar 91mm3枚玉 FPL53アポクロマートレンズの新鏡筒優れた光学設計によりストレールレシオ95%以上を達成しております[有効径] 91mm[焦点距離] 540mm(F5. 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. Wish List Compare. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. 00 - $2,897. Add to Cart-23. 3" R&P Focuser Image Circle : >43mm Retracted Length : 441 mm Extended Length : 51 Omm Dew Shield Circumference : 383mm Dew Shield Diameter . Toll-Free: +1-800-504-5897. William Optics FLT 91 Fluorostar 91mm f/5. since it works with the FLT 91. EUR; GBP; Need Help? +62 812 7806 1789; About Us; Order Tracking; Contact UsTechnical details Telescope: William Optics Fluorostar 91 and Fla t6AIII focal reducer/flattener (fl=432 mm). The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescopes. 1. 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. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts ZWO AM5 Filters Optolong L-Pro 2" Accessories William Optics Flat68 III · ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 5 x 2" Software Pleiades Astrophoto PixInsight Guiding Telescopes Or Lenses William Optics UniGuide 50 Guiding Cameras ZWO. Optolong L-Pro 2" 1 10. As I may sell the 100, I can live with. 00. 9AM-5:30PM CT Mon-Fri. 8x reducer/flattener Pegasus focuscube IOptron CEM26 NINA on Melee quieter3c 60s * 30 images * 6 panels 32 darks, bias, flats processed in Pixinsight Reply More posts you may like. 00. Download: free Website:. Arriving in a single box, the William Optics Fluorostar FLT 91 was protected in a robust and well-padded soft carry case. 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. 0 mm in spacers and still the same problem. Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976The OEC Fluorostar can give you the ability to image right in your emergency room. 6M subscribers in the astrophotography community. The three-element optical design features a 91mm aperture using FPL-53 glass. Fluorostar 91 APO Triplet Refractor. It is the result of a shock wave emanating from a Wolf-Rayet star. Add to Cart. mjstake when I received my scope. Wish List Compare. 1 65kg (OTA only) 1 2. I was amazed at how much more detail the plug in pulled out, incredible for a 5" scope, at least that's what I. Mount: Sky-Watcher EQ6-R Pro (Used iOptron Tri-pier with Adapter 8036-TK)Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 59 +$12. Email: [email protected] Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI294MC Pro Mounts iOptron CEM70G Acquisition details Dates: Jan. Mount: Sky watcher EQ6R-pro. SKU. Vendor William Optics Regular price $1,998 Sale price save $-1,998 Unit price / per . Vendor. 17Kg. Extension Tube Length. Fluorostar 91 APO. Our Price: $1,998. $ 293. 9 APO Triplet Refractor Telescope FPL-53. Add to Cart. Regular Price $1,998. Add to cart. 24 +$12. 00. Next session will see me adding a total of. Wish List Compare 【Refurbished】Gran Turismo 81 IV-Space Grey . William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts Sky-Watcher EQ6-R Pro Acquisition details Dates: Feb. Add to Cart. 00. Id like to think Ive come up to speed fairly quickly on. 72) Filter: Radian Telescopes 2" Triad Ultra Quad-band Narrowband Filter; Mount: Sky-Watcher HEQ5 Pro (Rowan Belt Modification for better tracking and autoguiding)“Fluorostar” is a brand name of a line of WO refractors. William Optics Fluorostar 91 by William Optics. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Ah used telescope stuff! I have always enjoyed finding a deal – boats, cars, jewelry (for my significant other of course), and yes, telescopes – well you name it, I am into getting a deal. Tel: +34 91 663 2500 Turkey - Istanbul Tel: +90 212 36 62 900 UK - Slough Tel. Fluorostar is a water-based and ultra-thin film roof coating formulated with Kynar Aquatec ®, a world renowned. Combined with the Flat7A flattener by William Optics, it produces a fast aperture ratio of f/5. 3" Rack & Pinion Focuser - Space Grey Version. 8 Field. . 1mm from the back of the flat to the camera chip. 3 shares. 9 Triplet APO. The 10 minute sub exposures picked up the nebulosity I wanted but starlight drowned out everything. The three-element optical design features a 91 mm aperture using FPL53 glass. 65mm > 16. 9 Fluorostar. . I have the Redcat 51 and loved the quality. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. Showing 40 ads per page. 00 ₹ 189,731. The three-element optical design features a 91mm aperture using FPL-53 glass. Stellarvue and other higher end offerings are out of my price rangeDescription. Get the best telescope and astrophotography gear with North America's highest-rated telescope store. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. 00 £299. 75 thread on the opposite end. 2) Camera: ZWO ASI 2600mc Pro. 00. 00 Shane23 #. The one on the left is the newly released GT 81 WIFD which seems to be a very similar scope. 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. FOA-60 Ortho Apochromatic Refractor. You may remember my review of the William Optics Zenithstar 61 APO, which also used this glass. Any suggestions for good double star targets for 90 mm of refractor?FLAT6AIII special edition for Fluorostar 91 . I have it, and the optics are great, but the mechanics has sag and tilt. Wish List Compare. buy DETAILS. Posted 01 January 2023 - 06:52 PM. 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. Crypto2. 25 inch RotoLock) 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. . 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. Retracted Length. Add to Cart. 0. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. 9 Fluorostar. In stock. $1,881. The three-element optical design features. The FRA500 is slightly lighter and slightly smaller in length. Diameter. 25" Diagonals & Erecting Prisms. Page 1 of 12 - My all new Askar 107PHQ - posted in Refractors : Hi all, finally received the new Askar 107PHQ I was waiting for! I was really surprised by the weight and the massiv build! Overall quality seems to be very good, at least I could not find anything that looks or feels cheap. Wish List Compare. Quick view Compare Choose Options. Page 1 of 2 - Askar FRA500 vs the WO FLT 91 - posted in Refractors : Looking at these two scopes. $2,697. Adjust Distance for DSLR and Mirrorless Camera is 5. C. View listing photos, review sales history, and use our detailed real estate filters to find the perfect place. 00. 8. Feitelijk zijn beide flattener / reducer gelijk aan elkaar alleen zit bij dit product een M92 adapter bijgeleverd. As low as $933. Fluorostar series. 132K subscribers in the kolkata community. A-F151. 00. Add to Cart. Product Details. 25" · Antlia Red 1. William Optics Fluorostar 91 / FLT91 4 49. Gain 0, -10C, 54 each 300 sec lights + flats + dark flats + darks. 8 works well on light mounts (as well as big ones). Qty. buy DETAILS. P-FLAT6AIII-M92. 488 votes and 14 comments so far on Reddit84Pcs M6 x 8mm,12mm,16mm,20mm,30mm,40mm Hex Pan Head Cap Bolts Nuts Screws Assortment Set 304 Stainless Steel Allen Socket Drive Machine Screws with Wrench (84PCS M6 Hex Screws Nuts) 404. Fluorostar 91 Trailer. 25" · Antlia Green 1. . WO Gran Turismo 81 . Fluorostar 91 Trailer. So, if you have a filter that is 3mm thick, you need to add 1mm of spacing to your imaging train to retain the correct back focus. The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements. Vendor William Optics Regular price $1,998 Sale price save $-1,998 Unit price / per . The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. William Optics Corp. 81mm Carry Soft Case. The STM-coatings and superb quality provideEasyQuest. Looking at the FLT91, assuming it comes in at $2k, adding a flattener and flattener/reducer brings it up to $3300 (Im assuming it will need the larger flatteners). 9 APO Refractor features a three element triplet design and uses FPL-53 glass. I have the Fluorostar 91 Triplet, but. 877 arc-sec/pixel* Thus, the median FWHM of 3. 9 APO Triplet Refractor Telescope FPL-53. Each subs are fives minutes long and each panel is eights hours of exposure so. $293. 00. One of the advantages of the TSA120 is that it is very lightweight. SKU. 3" Rack & Pinion Focuser - Space Grey Version. 00. Back Ordered. Quick view Compare . New-36. $2,494. Ken Bates. 00. 00. An Avro Lancaster bomber built in Ontario by Victory Aircraft Ltd. Diameter. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. Ken Bates. Details. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. Zygo Test Report + $99. Fluorostar Series 1 Product; CAT Series 4 Products; Video Demonstration. Add to Cart. FLAT6AIII special edition for Fluorostar 91.