Filtro deslizante para Nadirus Dobson

Dobson Naditus filter holder 2 " holds 4 filters.

Its low profile, only 11mm, it not intercepts the light beam coming from the primary mirror. The slider glides on rails dovetail adjustable. Also has a ball system for the block in the central position of the filter.

Product all in aluminium anodized,

You can mount it on other tubes which have the focuser with a low profile, rectangular base, an interaxial distance 91mm x 55mm.