William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 1.25" CF Dielectric Diagonal ZS80-ED-125DI w/ FREE UPSWilliam Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 1.25" CF Dielectric Diagonal ZS80-ED-125DI on sale and available from our online store. OpticsPlanet, Inc  is an Authorized US Distributor for William Optics Telescopes.
ZenithStar 80mm II ED APO. Doublet. F/6.8, 545mm comes with L-Based bracket, and Custom Aluminum Case. (Package Includes 1.25" Dielectric Diagonal).
Specifications of William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 1.25" CF Dielectric Diagonal ZS80-ED-125DI:
| Aperture | 80mm | | Focal Ratio | F/6.8 | | Focal Length | 545mm | | Objective Type | FPL-51 ED Glass, Doublet, Air Spaced, APO
Fully Multi-Coated | | Resolving Power | 1.45" | | Limiting Magnitude | 11.3 | | Lens Shade | Retractable | | Focuser | 2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus
Focuser Travel Length 3.15" (80mm)
1.25" Adapter | | 1.25" Adapter | Brass Compression Rings | | L- type Mount | L Bracket Based | | Field Stops | 10 Baffles | | Tube Diameter | 90mm | | Tube Length | 16.9" (430mm) Fully Retracted
19.7" (500mm) Fully Extended | | Tube Weight | | | Case | Aluminium Case (Standard) | Case Dimensions
(WxHxD) | 22.4" x 12.6" x 8.3"
(57cm x 32cm x 21cm)
(Water Resistant) | | Case Weight | | | |
Features of William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 1.25" CF Dielectric Diagonal ZS80-ED-125DI:
The newest ZenithStar II generation Doublet APO is a 80mm ED refractor ideal for everyone who needs an excellent back-up scope/ guiding scope at an excellent price, or a great first APO refractor, which you can use for planetary work, wide-field imaging, and crisp, high power observations... Lens Design
• Doublet ED, using premimum Ohara FPL-51 Japanese glass, air spaced, in CNC machined ultra high precision lens cell.
• Each lens is Fully Multi-Coated with best in classanti-reflective coatings. Low C.A.
• Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.
• 80 mm clear aperture. Nothing Left to Chance
• Fully CNC machined production, no plastic part used.
• Drawtube travel length 80 mm, with precision graduated scale.
• 1.25” adapter included.
• Brass Compression rings on the adapter: will not ruin your precious eyepieces! Super Portable
• Retractable dewshield, for enhanced transportability.
• Only 2.8 kg. Perfect for piggybacking as guide scope.
• Optional rings, guiding rings and 0.8x field flattener/reducer are available! Beautiful Anodizing
• Superior anodizing will not only give you a beautiful telescope, but also protect it by making the surface much harder than natural aluminum.
• Elegant blue finish, stylish like a designer product! It is particularly suited to be paired to SCTs as a guiding scope. Wonderful WO Microfocuser
• William Optics 360-degree rotatable Crayford focuser, smooth and precise.
• Adjustable focuser tension.
• Super-smooth and reliable 1:10 micro focuser for fine focusing during astrophotography or visual observations alike. Attention to Packaging
• Exclusive Aluminum carrying case included in the price.
• Water resistant case.
• Carry-on size: you do not have to leave your treasure home!
• Two-year, no fuss warranty and constant customer service! Package Contents:- ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 1.25" CF Dielectric Diagonal
We offer complete line of William Optics Telescopes. For our complete selection of products by William Optics on sale please visit our William Optics page. For more Telescopes please visit our Telescopes store section. |
