astro.n-minus

OTA

GSO 8" F/8 RC

Key specifications

Aperture200 mm
Focal length1600 mm
Focal ratiof/8
Optical designRitchey-Chrétien
Back focus300 mm

All specifications

Focuser type2" dual-speed Linear Bearing Crayford

About

A 200 mm f/8 Ritchey-Chrétien with hyperbolic low-expansion quartz mirrors, a 2" dual-speed linear-bearing Crayford focuser (EAF compatible) and a knife-edge baffle system, offered in steel or carbon-fibre tubes.

Where to buy

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