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.
- 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.
- 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.
- 1.25in adapter included.
- Brass Compression rings on the adapter: will not ruin your precious eyepieces!
- 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!
- 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!
|Objective Type||FPL-51 ED Glass, Doublet, Air Spaced APO, Fully Multi-Coated|
|Focuser||2in 360° Rotating Camera-angle Adjuster|
1:10 fine focus
Focuser Travel Length 3.15in (80mm)
1.25in Adapter Included
|1.25" Adapter||Brass Compression Rings|
|L- type Mount||L-Bracket Base|
|Field Stops||10 Baffles|
|Tube Length||16.9in (430mm) Fully Retracted|
19.7in (500mm) Fully Extended
|Tube Weight||6.2 lbs (2.8 kg)|
|Case||Aluminium Case (Standard)|
|22.4in x 12.6in x 8.3in|
(57cm x 32cm x 21cm)