Packages Available
OTA Package [ZS80-ED-APO]
- ZS80 OTA with L-bracket base
- Custom Aluminum Case
Combo Package 1 [ZS80-ED-125DI]
- OTA Package as described above
- 1.25" 99% Dielectric Carbon Fiber Diagonal
Combo Package 2 [ZS80ED-2DI]
- OTA Package as described above
- 2" 99% Dielectric Carbon Fiber Diagonal The newest ZenithStar II generation Doublet APO is an 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 that you can
use for planetary work, wide-field imaging, and crisp, high power
observations.
This is an air spaced f/6.8 refractor with 1:10 microfocuser and aluminum case included in the price. The scope boasts premium Japanese Ohara FPL-51 ED glass and Fully
Multi-Coatings for an excellent sharpness and color correction. Lens Design
• Doublet ED,
using premium Ohara FPL-51 Japanese glass, air spaced, in CNC machined
ultra high precision lens cell.
• Each lens is Fully Multi-Coated with best in class anti-reflective coatings.
Low CA
• 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 parts 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 6.2 lbs. 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
will also protect it by making the surface much harder than natural
aluminum.
• The elegant finish is stylish like a designer product! The blue OTA is
particularly suited to be paired with SCTs as a guiding scope. Wonderful WO Microfocuser
• William Optics 360-degree rotatable smooth and precise Crayford focuser.
• 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!
| 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 Included |
| 1.25" Adapter | Brass Compression Rings |
| L- type Mount | L-Bracket Base |
| Field Stops | 10 Baffles |
| Tube Diameter | 90mm |
| Tube Length | 16.9" (430mm) Fully Retracted
19.7" (500mm) Fully Extended |
| Tube Weight | 6.2 lbs (2.8 kg) |
| Case | Aluminium Case (Standard) |
Case Dimensions
(WxHxD) | 22.4" x 12.6" x 8.3"
(57cm x 32cm x 21cm)
(Water Resistant) |
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