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William Optics ZenithStar 70 ED Doublet
I am offering for sale a beautiful widefield scope. I used it mainly as a guide-scope, but have now changed over to an off-axis guider, so it is surplus to requirements. It's a solid, well constructed scope.
70mm ED Doublet
* Focal Ratio: F/6.2
* Focal Length: 430 mm
* ED glass (Japanese Ohara glass, FPL51) doublet air-spaced
* 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.
Crayford 2-speed fine focuser
* 1:10 Dual Speed microfocuser
* 81 mm (3.2") Focuser Travel Length
* 360° Rotatable Design
* 1.25" Adapter
Fully baffled
Retractable Lens Shade
Integrated L-Bracket (same dimensions as vixen / v-series dovetail plate)
* Unfortunately one of the screw holes has been cross-threaded (see picture). There is plenty of metal around this screw and I am sure it could be drilled, tapped and a helicoil inserted.
Accessories:
* 2 inch photo adapter - required to achieve focus for photography or guiding - 42mm T-thread
* Bahtinov mask
* no travel case, sorry...
Price: $300 plus shipping
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