William Optics Zenith Star 70mm f/6 Doublet ED Refractor # A-Z70A

2012 William Optics ZenithStar 70mm ED Doublet F/6 APO is a true multi-purpose tube assembly.

Excellent mechanics, fit and finish, latest WO Rack & Pinion 2-speed fine focuser, aluminum knob protection cover and super-high transmission multi-coating.

Its fast focal ratio makes it your ideal travelling set-up for astrophotography, piggybacking or as a spotting scope.

Lens Design
- ED glass (Japanese imported Ohara glass) doublet air-spaced, in CNC machined ultra-high precision lens cell.
- Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.

Low CA
- Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.
- 70mm clear aperture and F/6 focal ratio.

Nothing Left to Chance
- Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube
- Drawtube travel length 72 mm with graduated scale.
- Retractable dewshield, smallest size ever and enhanced portability!

Super Portable
- Retractable dewshield, smallest size ever and enhanced portability!
- SCT thread adapter to 1.25'' eyepieces with anti-marring brass compression ring.
- Can mount a WO 2'' SCT star diagonal for 2'' accessory usage.

Astrophotography super-apo
- Fast focal ratio for bright, high-quality astro-imaging.
- Perfect for piggybacking as a guide scope.

Wonderful WO Microfocuser
- William Optics new rotatable Rack & Pinion focuser, smooth and precise, ideal during astrophotography.
- Adjustable focuser tension.
- Super-smooth and reliable 1:10 micro focuser for fine focusing during imaging and visual observations alike.
- Aluminum fine knob protection cover is included.

Attention to Packaging
- The basic package includes the OTA only.
- Carry-on size: you do not have to leave this treasure home!
- Two-year, no fuss warranty and constant customer service!