William Optics Megrez 90 APO - Manual (Page 3)

Focal Ratio
Focal Length
621 mm
Objective Type Doublet FPL-53 Air Spaced
360° Rotating Camera-angle Adjuster
1:10 Dual speed fine focus
1.25" Adapter Included
Fully Extended 540 mm ( 17.9" )
Fully Retracted 430 mm ( 14.2" )
6.8 lbs. (3.1 kg)
23.2" x 8.3" x 7.1"
(59cm x 21cm x 18cm)
Case Dimensions
(WxHxD)
Case High Quality Aluminum Case
Tube Length
Tube Weight
90mm
Brass Compression Rings 1.25" Adapter
Focuser
Retractable
12.0
1.05" Resolving Power
Limiting Magnitude
Tube Diameter
Lens Shade
Megrez 90 APO
Refractor Specifications
F / 6.9
Aperture 90mm