M68 SPACER SET 0.15 - 1mm T ring 25" & 11" Schmidt-Cassegrain telescopes

25" & 11" Schmidt-Cassegrain telescopes offers an easy and effective solution to safely transport your telescope OTA

The SPIDER 230C is designed specifically to be used with standard equatorial mounts for optical telescopes

GS-100II weatherproof antenna tracking system

7 kg (28 lbs) excluding counterweight Mount weight

they aren’t extremely accurate anyway

M68 SPACER SET 0.15 - 1mm T ring 25" & 11" Schmidt-Cassegrain telescopesThe M68 spacer ring set is useful for fine tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M68 threaded parts. This set comes with nine rings of various thicknesses between 0. 15 and 1mm. Specifications Optical length 0. 15, 0. 2, 0. 3, 0. 4, 0. 5, 0. 6, 0. 7, 0. 8, 1 mm Weight 10 g SKU AX M68SHIM0. 15 1. 0