Zenithstar 61 dovetail. FPL53 doublet APO, 2. The outer dust cap is easily installed or removed by the user, which reveals the built-in Bahtinov Focusing Mask. Beautiful red and white finish. 00 USD. There are already some threads on here about this scope but they mostly seem to be about focusing difficulties , which, admittedly I will touch on. 8mm to 38. The Radian 61 APO has comparable specs to the William Optics RedCat, at a 275mm focal length at F/4. This includes everything from a color-matched dovetail plate to the photo adapter for your DSLR camera. The William Optics Zenithstar 61 II APO features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high contrast images virtually free of false-colour. Connect the flattener to M54 telescope thread. ZenithStar 61 telescope pdf manual download. 2 inch dual-speed Zenithstar 73 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Free shipping on many items | Browse your favorite brands | affordable prices. 5 Air-Spaced Triplet ED APO Refractor in Carbon Fiber with 3" HEX Focuser and hope to have it up and running Christmas Eve. 61EDPH II: triplet FPL51. 25-Inch Compression Ring Adapter. Vixen-style Dovetail Plate. attached is a photo to This model 73mm ZenithStar Doublet APO Refractor from William Optics boasts Ohara FPL-53 glass from Japan and a saddle handle bar that accepts Synta-style dovetails, such as the UniGuide guidescope or the Slide base guiding rings (not included). Zenithstar 73-III is a greatly versatile and portable refractor telescope for beginners and veterans alike. 2 pounds and 9 inches when retracted. SCOPE OF DELIVERY Zenithstar 61 APO Telescope Dovetail plate Sep 28, 2018 · Ive done a fair bit of research and, like many, I’ve decided that the William Optics Zenithstar 61 APO refractor is best suited for my situation. Quantity. But as much as I'd love to get a ZenithStar 73 or a WO GT71, the setup will be close or likely north of the max The William Optics Zenithstar 61 currently retails for Rupees 52500. 2 lbs), it has the solid build and high-quality feel common to all William Optics refractors. f/5. The Z61 with its foot, and a dovetail on that, is a little higher than I was planning on Nov 6, 2020 · Rise WO ZenithStar 61 - posted in Refractors : I just got a new mount and have found that my WO ZenithStar 61 is to low to have the ZWO EAF I have attached to it fit in the mount for balancing. - posted in Vendor and Group Announcements: Enable GingerHello, everyone! Newly upgraded 61EDPHIII newly released! The 61EDPHIII adopts a triplet air-spaced APO design， with two pieces of low-dispersion ED glass. Nov 13, 2020 · At only 4-pounds, the Raptor 61 is suitable for portable, lightweight star trackers such as the iOptron SkyGuider Pro, or Sky-Watcher Star Adventurer. William Optics Gold Bahtinov Mask Cover For WO ZenithStar 61 Telescope William Optics Bahtinov Focusing Mask and Dust Cap Innovative Design combines Dust Cover and a Bahtinov Mask in one Fits WO ZenithStar 61 Telescope Clear Acrylic Sheet design provides 92% light transmission Gives the Brightest diffraction spikes to Oct 26, 2020 · William Optics Mounting Ring and CAT Handle Upgrade Kit for Original ZS61 Telescopes. Mar 21, 2022 · In this video I share the components I added over the past year and their cost to my bare bones William Optics ZenithStar Z61 mod II refractor telescope. Part review and part advice for anyone thinking of getting one. A-Z73IIIGD ZenithStar 73, f/5. I show clo Dec 6, 2019 · William Optics is a Taiwan-based manufacturer of telescopes and astronomical accessories. 25-inch accessories. Its clear optics allow high magnifications and sharp imaging during astrophotography and nature photography using any SLR camera. 2”) and a focal length of 559mm, resulting in an f/6. Fluorostar. $438. The William Optics Zenithstar 61mm is a Two Element Designed APO Refractor. Perfect for travelling with its soft case, this high-quality telescope will travel with you wherever you go. Step 2. 19. The dovetail plate is the perfect accessory to help you mount your Z61 telescope for imaging sessions and visual observations. The price includes the telescope only, as you can add a number of extras to your order. William Optics refractors feature metal tubes and trim, ED (extra-low dispersion) glass in Apr 8, 2021 · This latest model has a Bahtinov Mask cap, CNC saddle handle, longer dovetail, & Soft Case. Dovetail plate not included. 2 lb - Travel Telescope for Astrophotography and Wildlife Photography. The newborn Zenithstar 61II (2020 Model) is the most versatile and portable scope ever made by William Optics. The portability of the ZenithStar 61 APO telescope makes it a must have astrophotography tool to take on the go. Sleek gray and white finish. These telescopes can be used for high power visual work, as well as lunar and solar photography thanks to the dedicated Flattener 61. 00 USD Regular price $0. Even after adding a small autoguiding system to the mix, you will still sit well below the 11-lb maximum payload capacity of the most popular star tracker mounts. 00. 2 year warranty. 9. Jul 2, 2019 · As more and more as I read, I'm getting a bad feeling in my stomach about choosing anything bigger than the ZS 61 for a mobile setup. Click to find the best Results for zenithstar 61 Models for your 3D Printer. The GuideStar 61 APO features the same high-quality FPL53 ED doublet lens as the Zenithstar 61, so it delivers sharp, high-contrast images virtually free of false colour. Adaptable with any DSLR. 4mm along its length so I wouldn't recommend it. 5” R&P Focuser in Gold. The Accesso-ries Chart on page 5 and page 10 provides additional details on photographic accesso- Apr 11, 2022 · Use the GuideStar 61 as a portable high-quality imaging scope or an ultra-high-quality guidescope. The William Optics Zenithstar 61 is a 61mm doublet apochromatic refractor. 9, and supports the 44mm full-frame image circle. I always seem to have elongated stars in only one corner of the image. 9 was just right for collecting long-exposure astrophotography images of the Butterfly Nebula and Heart Nebula. com. This William Optics Bahtinov Focusing Mask and Dust Cap is made to fit the William Optics ZenithStar 61 Telescope. Featuring the acclaimed FPL53 ED doublet lens, identical to that in the Zenithstar 61, this telescope ensures sharp Dec 14, 2022 · Having the option to shoot at native f/6 focal length is definitely a plus for the AT60ED, only problem is stock right now. Elevate your astrophotography with the William Optics GuideStar 61, designed exclusively for high-quality imaging and precision guiding. 9Focuser: 2" Rack & Pinion FocuserImage Circle: > Full FrameOTA Length (Fully Retracted): 230mmOTA Length (Fully Extended): 300mmOTA Weigh William Optics Zenithstar 61 Package Includes: Z61 Doublet Air-Spaced APO with synthetic fluorite FPL-53 extra low dispersion glass; 2" Rack & Pinion focuser with 10:1 micro adjustment; Rotatable Handle with Guide scope mount, and dovetail; 2" to 1. CNC Made Mounting Ring. Bahtinov Mask and dew shield 2. There are some incredible setups here combining a ZS73 with a SkyGuider Pro / Star Adventurer. Dovetail plate recommendation: Cyclops Optics 18cm Vixen Style Slotted Dovetail Bar; William Optics Dual Side 210mm Dovetail Plate; William Optics Dual Side 245mm Dovetail Plate GuideStar 61 APO. While the ZenithStar 61 telescope weighs just 1. Looks like I need to rise it about an inch. It is tiny in size yet it comes standard with 2" focuser with 10:1 dual speed, a rarity for a telescope this small! Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 61 William Optics ZenithStar 61 f/5. I really wanted to go for this. But I have read so many threads about really bad CA on the II version with the reducer! Zenithstar 61 is a greatly versatile and portable refractor telescope for beginners and veterans alike. 45kg (3. Apr 8, 2021 · The William Optics Zenithstar 61 II APO features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. The image is crisp, sharp and colour aberration free thanks to the use of top quality glass Jul 15, 2017 · ZenithStar 61 APO arrived. [b] Attached a William Optics Flat61, the dedicated flattener for that scope, a must for photography. 9 system overall. Click to find the best Results for william optics Models for your 3D Printer. Sold out - more on the way! Notify when in Stock. Rack and Pinion Focuser 50. William Optics Zenithstar 61. It provides and excellent sharp image with any DSLR for astrophotography or wildlife photography. $599. CAT saddle handle bar, mounting ring and dovetail plate 3. Zenithstar 61 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Jun 2, 2023 · Included with the RedCat 61 are the red tube rings, a cat series handlebar for attaching other accessories, and a dovetail bar. 143,289 Lists. The GS61 is sold primarily as a While the ZenithStar 61 telescope weighs just 1. Master Precision Imaging with the William Optics GuideStar 61. CLEARANCE PRICING NOW ON - While Limited stocks last! The William Optics Zenithstar 61 II APO features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high contrast images Jun 2, 2021 · Is a 50mm arca swiss saddle plate enough to hold a Zenithstar 61 ii? - posted in Equipment (No astrophotography): In the manual it says that an arca swiss saddle will work with the 8 long dovetail plate. Started by johnmarkw , Jul 15 2017 01:15 PM. I cannot get a flat field, no matter how hard I try. Price Match Guarantee. CAT Saddle handlebar for guide scope or finder. The star performance is better. Mount Plate for Power Box Advance on Zenithstar 7 add to list. 61EDPHⅢ has a focal length of 360mm, a focal ratio of 5. Dovetail is dual type - flip over to get Arca Swiss plate; Weight: 3. Fluorostar 91; Fluorostar 120; Fluorostar 132 The Zenithstar Telescopes are suitable for large-field astrophotography; Zenithstar 61 has a great color correction at a fast speed of f5. Finished in William Optics' powder white with brilliant gold accents, the Zenithstar 61 is a highly portable fine refractor William Optics ZenithStar 61 mm APO Refractor - Space Gray. Patented Bahtinov Mask Cap Design. The CAT handle bar is suitable for uniguide scopes. 41-inch) Aperture. Jan 16, 2024 · Zenithstar 61: The Zenithstar 61 comes with a 2-inch focuser, tube rings, and dovetail plate, providing even better stability and image resolution. Apr 24, 2020 · Page 1 of 3 - William Optics Zenithstar 61 / Flat61A Optical Tilt? - posted in Refractors : Hey guys, I spent the last 3 nights of clear skies fidgeting around with the backspacing of my William Optics Zenithstar 61 with the Flat61A. 656,253 saved Models. The Accesso-ries Chart on page 5 and page 10 provides additional details on photographic accesso- The William Optics RedCat 51 is an amazing telescope for astrophotography! Specifically, AstroPhotographers frequently use the RedCat 51 for DSLR AstroPhotography because of it's exceptional optical quality. Other features include a new lightweight optical tube with a draw-tube (push Zenithstar 61 II APO; Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design Improved “CAT” design ring tubes and dovetail base are lighter while When you purchase this OTA, you also get the William Optics Cat Series handle bar and a 210mm dovetail plate, each anodized to match the space gray color accents on the telescope. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 73 is also hugely satisfying. Founded by William Yang in 1996, the company concentrates on making high-quality and affordable refracting telescopes with a distinctive design and a robust build. 2 year The William Optics Zenithstar 61mm is a Two Element Designed APO Refractor. Sep 9, 2019 · True, that the ordinary focuser, filter holder for standard 50x50 filters and a dovetail mount are great advantage of these small apo's and CA is likely very well corrected which is not always the case for camera lenses. Normally I attach it to a cheap selfie stick with a mini-tripod base, and set the whole thing next to the telescope. Losmandy-style Dovetail Plate Sale price $116. Fully retracted, the tube length spans just 230mm. ر. This compact scope is lightweight and easy to travel with at just 3. If you have an original ZenithStar 61 telescope it is now possible to upgrade the mounting ring to match the latest model and to fit a CAT handle. Looking for a William Optics ZenithStar 61II Doublet Refracting Telescope - Red? Shop this product at Agena Astro by clicking the SHOP NOW button! SHOP NOW. Step 1. Focal Length: 360mm The William Optics Zenithstar 61 is a 61mm doublet apochromatic refractor. William Optics. 2 year Jul 18, 2018 · The foot is a similar width to a vixen dovetail so could be jammed in the saddle but it does,'t have the angled side profile and tapers from 38. The William Optics Zenithstar 73 APO has an f-ratio of F/5. It provides high-resolution images when used for astrophotography or wildlife photography and is a convenient ultra-portable telescope for About the 210 mm Dovetail Plate. 9 Focal Ratio. Does anyone know what I need to get to do this and where to get it. Vixen-Style 8 inch Dovetail Plate – Red (M-PVR) $43. 15 kg with rings/dovetail) One of the highest quality on the list, and probably the most beautiful - the bahtinov mask is a nice to have, and I think that it is one of the easiest to work with. The improved CNC made mounting ring offers greater rigidity . RedCat 51 Alternatives, the Vixen FL55 and Takahashi FS-60CB. Finished in William Optics' powder white with brilliant gold accents, the Zenithstar 61 is a highly portable fine refractor Jul 1, 2020 · Issue Mounting Autoguider - posted in Equipment (No astrophotography): Hi all, I currently have my ZWO guidescope mounted to the hotshoe on my DSLR (image below), but I am looking to upgrade my camera to the ZWO ASI1600MM Pro and Im not sure how Im going to mount my guide scope to my main scope (William Optics Zenithstar 61). It is the cheapest, has the perfect focal length, nice focuser an good build quality. 61 mm (2. Id really prefer to use this 50mm arca swiss saddle Ive already got as opposed to spending another $80 or whatever on a larger one but Im not sure if it would be strong enough? Oct 10, 2019 · Page 2 of 2 - WO Zenithstar 61 with and as a Guide Scope - posted in Refractors : I’m so glad I found this thread! I just ordered the WO Z61 II yesterday, along with the WO Uniguide 50mm (waivered between this and the 32mm for a while), the ZWO ASI120mm Mini, the WO Z61 Reducer/Flattener, a WO 2” diagonal (for observing at times), and a new 3” dew heater strip for the Z61. I just picked up the William Optics GuideStar61 61mm f/5. The scope's optics provide a 41mm-diameter image circle, and with the optional Flat 61 field flattener, a full 43mm image circle to fill the sensor of most any camera Vixen Dovetail Adapter for William Optics RedCat Tags Askar 600 compact mount for William Optics 50mm g 10000+ "william optics" printable 3D Models. William Zenithstar 66 FlatField Box. CAT Handle Bar. 5" Rack & Pinion focuser and Dual Sided dovetail bar. 1. It is tiny in size yet it comes standard with 2" focuser with 10:1 dual speed, a rarity for a telescope this small! Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 61 is also William Optics ZenithStar 61II Doublet APO f/5. The plate has two 1/4-20 threaded holes. Comes with everything I need except for T-Ring and Flattener. It is tiny in size yet it comes standard with 2" focuser with 10:1 micro adjustment, a rarity for a telescope this small! Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 61 is Small but mighty! The William Optics ZenithStar 61 is a 61mm apochromatic ED doublet that will not break the bank. The ZenithStar 81’s optics are similar to those of other 80mm f/7 FPL-53 ED doublet refractors, with the extra mm of aperture being little more than a Apr 8, 2021 · This latest model has a Bahtinov Mask cap, CNC saddle handle, longer dovetail, & Soft Case. Recommended Optional Accessories Further increase the mounting rigidity of your William Optics ZenithStar 61. Cons. The focal ratio of a telescope represents its light gathering ability, and the Z73 hits the sweet spot. The Accesso-ries Chart on page 5 and page 10 provides additional details on photographic accesso- The William Optics Zenithstar 61 is a 61mm doublet apochromatic refractor. The William Optics ZenithStar 61 uses FPL-53 glass to help produce excellent sharp images for astrophotography or wildlife photography when working in conjunction Apr 7, 2023 · New Release,Sharpstar 61EDPHIII. As an alternative, your telescope focuser has a mounting location for additional dovetails, so if you are fully set in keeping everything on the telescope, that would be another option. looks like I need something between the scope ring and the plate. Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I (Black Only) $76. 5. Like most other William Optics telescopes, a dew shield cover and built-in ‘star spikes’ Bahtinov mask are also included. Longer focal length so larger image scale. Fluorostar Series. 25" adapter with brass compression ring; Retractable lens shade with Bahtinov mask 3- WO ZenithStar 61 II (890€ without flattener) Doublet 61/360mm, FPL-53, 1. 9 makes it ideal for both observing and imaging. 9 Doublet Refracting OTA. Matching anodized dual-sided Dovetail bar; Bahtinov Mask cap; Soft padded carry case Jan 19, 2019 · Considering purchasing William Optics ZenithStar 61? Let me show you some of the details I couldn't find before purchasing this awesome telescope. Full frame image circle and a focal ratio of f/5. Designed for both astrophotography and wildlife photography, high power visual observing This model 73mm ZenithStar Doublet APO Refractor from William Optics boasts Ohara FPL-53 glass from Japan and a saddle handle bar that accepts Synta-style dovetails, such as the UniGuide guidescope or the Slide base guiding rings (not included). 210 mm Dovetail Plate. Lens Design. Every Day new 3D Models from all over the World. Be the first to hear about our promotions, new products and more. 3. The new ZenithStar 61 and William Optics’ most versatile and lightest weight apochromats. 1 %. Feb 23, 2024 · William Optics Guidestar 61 - posted in Refractors : I want to say a few words about the scope Ive had for the past few months - the WO Guidestar 61. Nov 20, 2021 · WO Zenithstar 61 II with reducer. Soft Carry Case William Optics ZenithStar 61 f/5. The beautiful metal tube includes a retractable dew shield and incorporates internal baffled field stops to reduce stray light. I'm a bit more hesitant to get a clone like the Apertura 60EDR or Zenithstar 61 because they are a lot more money, in fact they're both more expensive than the sharpstar, for the same level of performance of the AT60ED. As you might expect with a quality apo refractor, the William Optics ZS 61 is a superb instrument for taking wide-field astrophotos with DSLRs or dedicated astronomy cameras. The William Optics DSD 210mm (8. Remove the adapter by twisting. Jan 25, 2019 · Besides the OTA and the case, the William Optics Zenithstar 61 comes with a rotating ring with a small dovetail bracket, a metal tube cover, a finderscope shoe, and a 2-inch to 1. Zenithstar 61mm APO Refractor Specifications. Get the best deals on William Optics Telescopes when you shop the largest online selection at eBay. Bolting it to a dovetail is best. Bahtinov mask Williams Óptics ZenithStar 71 Ed. With a slightly larger focal length than the RedCat 51, the ZenithStar 61 offers a bit more reach while still allowing for larger objects such as the Andromeda Galaxy and larger nebulae to easily fit into the field of view. The Zenithstar Telescopes are suitable for large-field astrophotography; Zenithstar 61 has a great color correction at a fast speed of f5. The Apr 8, 2021 · The William Optics Zenithstar 61 II APO features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. ع. The base of the foot has 3 mounting holes, the outer two having reducers to 1/4" UNC spaced at 40mm. 229. 8 mm (2-inch), 1:10 Dual Speeds, with 75 mm Travel Length. The larger 2-inch focuser enables users to accommodate heavier cameras and accessories, making it easier to customize their setups. 8. Long Version Vixen-style Dovetail Plate (M-PV-LII) $87. 25" adapter with brass compression ring; Retractable lens shade with Bahtinov mask Apr 8, 2021 · Latest 2020 model with Bahtinov Mask cap, CNC saddle handle, longer dovetail & Soft Case. Page 5 of 5 - ZenithStar 61 APO arrived - posted in Refractors : Speaking of the ZS61 hard case, anyone know of a good source for replacement foam? The case doesn’t really match up well to any peli case sizes when I checked. Ships Worldwide - Estimate import fees, duties, and taxes. The William Optics Zenithstar 61 II APO features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. 53 kg; Includes Interchangable Camera Mount; Includes Dust Cover with built-in Bahtinov Mask; The William Optics ZenithStar 81 APO Telescope is a high quality Apochromatic Imaging and visual use telescope with an aperture of 81 mm and a focal length of 559 mm or an f-ratio of It results in about 3X brighter diffraction spike images than the traditional metal material masks. This William Optics 61mm Zenithstar Refractor comes with two fantastic accessories! When you purchase this OTA, you also get the William Optics Cat Series handle bar, a Bahtinov mask and a 210mm dovetail plate, each anodized to match The William Optics DSD 210mm (8. My methodology was as follows: 1) I Sold out - more on the way! $929. The telescope does not come with a mount, star diagonal, finderscope, field flattener or eyepieces. I plan to use my canon 600D/T3i as the main imaging camera and I also plan to use the Skywatcher Star Adventurer as a tracking mount for this scope. 25-inch RotoLock adapter for locking in 1. Using FPL-53 Glass this telescope provides excellent aberration correction. 9 Zenithstar 61 APO Photo Performance by Jerry Huang Technical Specifications Focal Length: 360mmAperture: 61mmFocal Ratio: f/5. 27") dovetail plate has both a Vixen and Arca Swiss size at each end of the plate. Thanks to its large visual field, the entire Moon or (with a filter) the Sun can be viewed at once. Zenithstar 61 Bahitnov Mask. Jan 16, 2023 · 9. Crayford focuser could be problematic. Apr 8, 2021 · This latest model has a Bahtinov Mask cap, CNC saddle handle, longer dovetail, & Soft Case. William Optics Zenithstar 61 Package Includes: Z61 Doublet Air-Spaced APO with synthetic fluorite FPL-53 extra low dispersion glass; 2" Rack & Pinion focuser with 10:1 micro adjustment; Rotatable Handle with Guide scope mount, and dovetail; 2" to 1. In my experience with the Z73, the combination of 430mm at F/5. 5 kg (2. · 1 3 2 1. From my research, they all cost about the same, Z61 w/ bag, dovetail, field flattener, and T mount & Redcat w/ bags, dovetail and T mount. 9 OTA. show TOP 100 curated Lists. Pros. add to list. It provides high-resolution images when used for astrophotography or wildlife photography and is a convenient ultra-portable telescope for Oct 10, 2019 · Loc: Colorado City Colorado. Feb 18, 2022 · If you’re looking for a budget friendly refractor without compromising on optical quality, look no further than the ZenithStar Z61II apochromatic doublet refractor. Posted 20 December 2020 - 05:26 PM. WO sells a nice 1x flattener so I could keep the full 360mm FL. Zenithstar 61 II APO; Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. If y Jul 15, 2017 · Edited by Kevin_A, 18 September 2020 - 08:17 AM. Using FPL-53 Glass this telescope provides excellent aberration correction making it especially well-suited to astrophotography and imaging wildlife alike as well as viewing the planets and Moon. The William Optics ZenithStar 81 is an ED doublet refractor using an FPL-53 lens element, with an aperture of 81mm (3. The ZenithStar 73 also comes with a 2. The optics of the RedCat are made of Ohara FPL53 & FPL51 fluorite glass which produces sharp, high contrast images! Weighing in at only 2 Skywatcher Evostar ED72. 15 "zenithstar 61" 3D Models. This William Optics 61mm Zenithstar Refractor comes with two fantastic accessories! When you purchase this OTA, you also get the William Optics Cat Series handle bar, a Bahtinov mask and a 210mm dovetail plate, each anodized to match the gold color accents on the telescope. free Downloads. Provides high resolution images when used for astrophotography and is a convenient ultra-portable telescope for visual I want something portable, easy to use and does not require much setup time, so I have narrowed down my choice to the Zenithstar 61 and Redcat 51, as they match my requirements pretty well. View and Download William Optics ZenithStar 61 user manual online. Jan 12, 2018 · Instead I went the other direction, [a] Mounted it on a D series dovetail raised up a bit with some aluminum channel as a spacer so the scope can be moved forward and the focus knobs will clear the dovetail bar. Color: Red. 9 Doublet Apo Refractor / Guidescope for my ED140 FPL53 140mm f/6. Feb 8, 2019 · The optical performance of this 60mm refractor is indeed impressive, yet it does not have the unique features of design of the RedCat in a complete package. William Zenithstar 66 - 2 Tubecover (Abdeckung) add to list. 700. What Comes with the RedCat 61: Stitched and padded carry bag; Tube Rings; Cat Handlebar Zenithstar 61 Version II is a greatly versatile and portable refractor telescope for beginners and veterans alike. ED glass (Japanese imported Ohara glass) doublet air-spaced, in CNC machined ultra-high precision lens cell. Please see our website for examples of photos taken with this telescope. This 61mm Zenithstar Refractor from William Optics comes with two fantastic accessories! When you purchase this OTA, you also get the William Optics Cat Series handle bar and a 210mm dovetail plate, each anodized to match the space gray color accents on the telescope. Note: Don’t retract the focuser drawtube all the way in, it could damage the lens. Affordable if purchased locally, and can arrive quickly as well. 78. Aug 19, 2020 · ZenithStar 61 User Manual - William Optics · 2020. jn ab am jt fb ck kt pz tj iz