景德新品--ZENITHSTAR 80II ED APO

Aperture 80mm
Focal Ratio F/6.8
Focal Length 545 mm
Objective Type FPL-51 ED Glass, Doublet, Air Spaced, APO
Fully Multi-Coated

Resolving Power 1.45"
Limiting Magnitude 11.3
Lens Shade Retractable
Focuser 2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus
Focuser Travel Length 3.15" (80mm)
1.25" Adapter
1.25" Adapter Brass Compression Rings
L- type Mount L Bracket Based
Field Stops 10 Baffles  
Tube Diameter 90mm
Tube Length 16.9" (430mm) Fully Retracted
19.7" (500mm) Fully Extended

Tube Weight lbs. (2.8 kg)
Case Aluminium Case (Standard)
Case Dimensions
(WxHxD) 22.4" x 12.6" x 8.3"
(57cm x 32cm x 21cm)
(Water Resistant)