William Optics ZenithStar 80mm f/6.8 II ED APO Refractor

Our Price: $549.00
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Out of Stock
Availability: Item has been discontinued and is no longer available.
Our Product ID: ZZT-ZZWO-AZ80II
Manufacturer SKU: A-Z80II
Item Can Ship: Worldwide
William Optics ZenithStar 80mm f/6.8 II ED APO Refractor

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Availability: Item has been discontinued and is no longer available.

Product Details

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.
- 1.25in 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!

Manufacturer William Optics
Aperture80mm
Focal RatioF/6.8
Focal Length545mm
Objective TypeFPL-51 ED Glass, Doublet, Air Spaced APO, Fully Multi-Coated
Resolving Power1.45"
Limiting Magnitude11.3
Lens ShadeRetractable
Focuser2in 360° Rotating Camera-angle Adjuster
1:10 fine focus
Focuser Travel Length 3.15in (80mm)
1.25in Adapter Included
1.25" AdapterBrass Compression Rings
L- type MountL-Bracket Base
Field Stops10 Baffles
Tube Diameter90mm
Tube Length16.9in (430mm) Fully Retracted
19.7in (500mm) Fully Extended
Tube Weight6.2 lbs (2.8 kg)
CaseAluminium Case (Standard)
Case Dimensions
(WxHxD)
22.4in x 12.6in x 8.3in
(57cm x 32cm x 21cm)
(Water Resistant)

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