astro.n-minus

OTA

GSO 4.5" F/4 Carbon Newtonian

Key specifications

Aperture114.3 mm
Optical designNewtonian

All specifications

Lens coatingEnhanced aluminum, 94% reflectivity
Focuser type1.25" dual-speed Crayford
DovetailVixen

About

A 4.5-inch carbon-tube Newtonian with a parabolic primary, 41 mm secondary, CNC-machined parts and a 1.25" dual-speed Crayford focuser (EAF compatible) on a Vixen-style dovetail.