ADAPTER M69 MALE - M48 MALE 1mm Saxon The Optolong L-eXtreme filter is

The Optolong L-eXtreme filter is a light pollution dual band filter designed to drastically reduce the effect of light pollution

5 x Number of optical elements

Nikon F bayonet as well as all other rings with 52mm dovetail ring

5 mm stop ring)

The high resistance anodization is chosen for unbeatable resistance to environmental conditions

ADAPTER M69 MALE - M48 MALE 1mm Saxon The Optolong L-eXtreme filter isThis adapter has a M69 male thread on the telescope side and a M48 male thread on the camera side. There is an internal thread for standard 2" mounted filters. It can be used with the SharpStar 2. 5" field flattener and reducer. Specifications Telescope connection Male M69 x 1 Camera connection Male M48 x 0. 75 Optical thickness 1 mm Length of the M69 thread 4 mm (male thread) Depth of M48 thread 4 mm (male thread) Max diameter 74. 5 mm