astro.n-minus

OTA

GSO 12" F/5 Dobsonian-C

Key specifications

Aperture304.8 mm
Focal length1520 mm
Focal ratiof/5
Optical designNewtonian

All specifications

Lens coatingEnhanced aluminum, 94% reflectivity
Focuser type2" Crayford CNC style

About

A 12-inch f/5 visual Dobsonian on a wooden base with a spring-loaded side-bearing system, parabolic primary, 94-96% enhanced coatings and a 2" Crayford focuser.