Astrobserver99
10-03-2014, 01:49 PM
For Sale William Optics Zenith Star 66 Refractor
US Patriot Colours "South Dakota" Limited Edition
Excellent Condition
Aluminium Case
Details
Aperture 66mm
Focal Ratio F/5.9
Focal Length 388mm
Objective Type SD Doublet, Air Spaced, Fully Multi-Coated, STM Coating
Resolving Power 1.78"
Limiting Magnitude 10.8
Lens Shade Retractable
Focuser 1.6" (40.6mm) Crayford Focuser Adjuster, 1:10 Fine Focus
63mm (2.5") Focuser Travel Length Rotatable Focuser Design 1.25" Adapter Brass Compression
Rings
2" Focuser Adapter Included
L- type Mount L Bracket Based
Field Stops 10 Baffles
Tube Diameter 2.95" (75mm)
Tube Length 11.8" (300mm) Fully Retracted
14.2" (360mm) Fully Extended
Tube Weight 3.5lbs. (1.61kg)
Case Aluminium Case (Standard)
Case Dimensions (WxHxD) 15" x 9.6" x 6.5"
(38.5cm x 24.5cm x 16.5cm)
Case Weight 3.5lbs. (1.6kg)
Plus Shipping
US Patriot Colours "South Dakota" Limited Edition
Excellent Condition
Aluminium Case
Details
Aperture 66mm
Focal Ratio F/5.9
Focal Length 388mm
Objective Type SD Doublet, Air Spaced, Fully Multi-Coated, STM Coating
Resolving Power 1.78"
Limiting Magnitude 10.8
Lens Shade Retractable
Focuser 1.6" (40.6mm) Crayford Focuser Adjuster, 1:10 Fine Focus
63mm (2.5") Focuser Travel Length Rotatable Focuser Design 1.25" Adapter Brass Compression
Rings
2" Focuser Adapter Included
L- type Mount L Bracket Based
Field Stops 10 Baffles
Tube Diameter 2.95" (75mm)
Tube Length 11.8" (300mm) Fully Retracted
14.2" (360mm) Fully Extended
Tube Weight 3.5lbs. (1.61kg)
Case Aluminium Case (Standard)
Case Dimensions (WxHxD) 15" x 9.6" x 6.5"
(38.5cm x 24.5cm x 16.5cm)
Case Weight 3.5lbs. (1.6kg)
Plus Shipping