William Optics Zenithstar 80II APO (Option 1)

Description

William Optics Zenithstar 80 II (FPL – 51 ED Doublet design) APO

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!

Features:

• 80mm Aperture
• FPL – 51 ED Doublet design fully multi-coated lenses
• Focal ratio F/6.8
• Focal length 545mm
• 90mm Tube
• 1.25″ adapter included with brass compression rings on adapter
• Retractable dewshield
• 2″ Crayford focuser – 360? rotatable
• Blue finish

An exclusive hard aluminium case that is water resistant is also included.

Please enquire when stock is indicated as zero.? Availability is typically within 2 months – please enquire.