11
VII. Specifications
Optical design
Newtonian reflector
Primary mirror figure
Parabolic
Primary mirror coating
Aluminum with SiO2 overcoat
Secondary mirror
34mm minor axis diameter
Secondary mirror coating
Aluminum with SiO2 overcoat
Aperture
114mm
Focal length
450mm
Focal ratio
f/3.9
Central obstruction diameter
34mm
Focuser
Rack and pinion, 1.25”
Base
MDF material with laminate finish
Mounting saddle
Vixen-style dovetail with clamp knob
Optical tube mounting adapter
Vixen-style dovetail bar; two ¼”-20 threaded holes on bottom
Eyepieces
20mm 4-element Bertele design, 1.25”, multi-coated
10mm 4-element Bertele design, 1.25”, multi-coated
Magnification with supplied
eyepieces
22.5x (20mm) and 45x (10mm)
Finder scope
EZ finder II reflex sight (3V lithium ion battery included)
Moon filter
Neutral density, 13% transmission, 1.25”
Weight, assembled telescope
10lbs. 13.8 oz
Optical tube length
17.75"
Base diameter and height
14" D x 17" H