Orion Hunting Equipment - Manual (Page 3)

3
Specifications
Optical tube: Seamless aluminum
Objective lens diameter: 100mm (3.9")
Objective lens: Apochromatic, rear element made of ED glass, air-spaced
Objective lens coating: Fully multi-coated
Lens cell: Machined aluminum
Focal length: 900mm
Focal ratio: f/9.0
Focuser: Crayford, accepts 1.25" or 2" accessories and camera T-Ring
Weight: 7 lbs.
Length: 35.5"