Alpine Astronomical Baader M68ix1 to M68ix0.75 Inverter Ring
MFR #M68-ES • BH #ALM68ES
Changes M68x1 Male to M68x0.75 Female
12mm Optical Height
65mm Clear Aperture
Use the Alpine Astronomical M68ix1 to M68ix0.75 Inverter Ring to reduce and change male M68x1 threads, typically found on Zeiss telescopes and accessories, to female M68ix0.75 threads such as those found on Bresser, Omegon, and Explore Scientific hexafocusers. It has an optical height of 12mm and a 65mm clear aperture.