GSO PARABOLIC PRIMARY MIRROR 8" f/4 GREENLINE-IP Diameter 70 mm Optical thickness

Diameter 70 mm Optical thickness

It suits 2" diagonals

The Q-Turret combines the sharpness of four high-quality eyepieces with the comfort of Zoom-eyepieces

Connection screws 6 x M3

this clamping plate is specially recommended for very heavy optical configurations on the GM3000 & GM4000 mounts

GSO PARABOLIC PRIMARY MIRROR 8" f/4 GREENLINE-IP Diameter 70 mm Optical thicknessThe GSO 8" f 4 parabolic primary mirror is ideal for amateur telescope makers. GSO primary mirrors are offered in sizes from 8" to 16" with various focal ratios. Well known for their excellent quality, GSO mirrors are some of the best available in their price range. The mirrors are made from BK 7 glass with highly reflective aluminium coating (typically 93%) and a protective coating of silicon oxide. GSO guarantees diffraction limited performance with