LOMO Microscope Trinocular Head HT-30 ( MFN-11) part
1) Universal dovetail mount
2) The optovar head has 4 lenses ( 1,1x ; 1,6x ; 2,5x ; Bertrand lens ).
3) Optical Path Selector: IN: Binocular-100%; Photo/Video-0%
(Position/Light Distribution) OUT: Binocular- 10%; Photo/Video- 90%
4) Binocular part - optically and mechanically in good condition
The optics are in working condition.