Manual

10
8.0 Specifications
Type 2-element, APO refractor, Fully Multi-Coated
Clear Aperture 102mm
Aperture Gain 212, compared to a 7mm exit pupil
Focal Length 880mm
Focal Ratio f/8.6
Resolution (visual) 1.1 arc-sec. (Dawes Limit for a 4 inch aperture)
Resolution (photo) 163 line pairs per mm
Magnification 16x to 250x using Tele Vue eyepieces
Field, Visual 3
o
at 16x
Focuser 2.4-inch, rack and pinion type
Diagonal Accepts optional 2-inch 99% reflective dielectric coating, with 1¼” adapter
Finder Optional Starbeam or 55mm Plössl or 41mm Panoptic for 21x, 3
o
field
Mounting Optional adjustable tube rings with ¼-20 tapped holes for
optional Tele Vue and Vixen mounts
Weight 10.6 lbs. (tube assembly) 19 lbs. in case, 28 lbs. shipping
Length 26-inches (O.T.A. only)
Accessories included as standard: custom fitted case, screw-on lens cover, sliding dew (glare) shield,
2” Accessory Adapter, Imaging Systems Adapter, 5” Extension Tube
Tube Powder-coated aluminum
Specifications subject to change without notice.