M68 EXTENSION TUBE - 10mm GREENLINE-IP No barlow lenses or focusing

No barlow lenses or focusing elements included

and also of the most important flexure terms of the optical tube

Specifically designed for the CEM120 mount

Each filter cuts off the ultraviolet and infrared violet so there is no need to use the L filter in combination with the colour filters

75 Optical thickness 10 mm SKU QHY-020108

M68 EXTENSION TUBE - 10mm GREENLINE-IP No barlow lenses or focusingThis 10mm M68 extension tube features a male M68 x 1 thread on one end and a female M68 x 1 thread on the other. This is a very useful accessory for making up the exact backfocus distance required by correctors. Specifications Connection side A Male M68 x 1 Connection side B Female M68 x 1 Optical length 10 mm SKU AX M68 EXT10