William Optics Logo

Products Support Global Dealers News Gallery WOnline Shop

· 120 ~mm
· 110~ mm
· 90~ mm
· 80~ mm
· 70~ mm

· Quartz
· Dielectric Coating
· Erecting Prisms

· SPL Eyepieces
· UWAN Eyepieces
· SWAN Eyepieces

· Astroimaging
· RotoLocK Adapters
· Adapters
· Finder Scopes
· Focusers
· Mounting
· Binoviewers
· Case & Backpack

· Roof Prism
· Astro Binoculars

Social Networking

8X mm > ZenithStar 80 II ED APO
ZenithStar 80 II ED APO
ZenithStar 80 II ED APO
ZenithStar 80 II ED APO
ZenithStar 80 II ED APO
Features Specifications Feedback Accessories Photos

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 premium Japanese Ohara FPL-51 Japanese glass, air spaced, in CNC machined ultra high precision lens cell.
• Each lens is Fully Multi-Coated with the best in anti-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 portability.
• Only 2.8 kg. Perfect for piggybacking a 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 with an 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!

Address:  30F.,No.29-5,Sec. 2,Zhongzheng E. Rd.,Danshui Dist.,New Taipei City 251,Taiwan (R.O.C.)
Phone :  +886-2-2809-3188
Fax :  +886-2-2809-1388
Mail :  wo@williamoptics.com
| About WO | Links | Privacy | Contact |
Copyright © 2007-2015 William Optics USA. All rights reserved.