GSO PARABOLIC PRIMARY MIRROR 8" f/4 GREENLINE-IP this clamping plate is specially

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

and then optionally install the included felt pads for a secure fit

1 (inner diameter) jack (positive tip)

Double telescope accessory and screws

GSO PARABOLIC PRIMARY MIRROR 8" f/4 GREENLINE-IP this clamping plate is speciallyThe 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