astro.n-minus

OTA

GSO 16" Truss Dobsonian

Key specifications

Aperture406.4 mm
Focal length1800 mm
Focal ratiof/4.5
Optical designNewtonian

All specifications

Lens coatingEnhanced aluminum, 94% reflectivity
Focuser type2" Micro Linear bearing 10:1 Crayford

About

A 16-inch f/4.5 truss Dobsonian with a BK7 parabolic primary on an 18-point cell with cooling fan, a 2" linear-bearing 10:1 Crayford focuser, a roller-bearing wooden base and CNC side bearings that slide 25 mm for balance.

Where to buy

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