Tele Vue 102iis User Manual
Page 10
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.