Collimator casing and mont are made of aluminum alloy that is fully eloxidized to black. A choice of two colors of backlight - red and green, and 5 progressive scale of viewfinder spot brightness...

Separate backlight switch and the viewfinder light intensive selector. It can be handle with in gloves easly. There are also screws to calibrate viewfinder spot - horizontally and vertically. Collimator has two plastic covers. Includes cleaner cloth for optics and allen key to the bracket mont, batteries, a box. Installation adapted to each rail R.I.S. 20mm.
Lens diameter 30mm
Length 12.7 cm
Weight 275g