Manufactured by MMZ (Minsk Mechanical Factory), Minsk, former USSR
Школник (=Shkolnik) means Student
Model: c. 1965 Type 2b
All Shkolnik produced between 1962-69 with quantity about 500.000 units.
There are 3 types and 2 sub-types of the camera
Typing and info are as to Alexander Komarov
Medium format film viewfinder like Box camera; film 120 roll, picture size 6x6cm
Engraving on the top plate: MMZ logo
Lens: two elements, 75mm f/8, glass, filter slip-on
Aperture: a rotary round holes system , f/8, f/11, f/16; setting: lever and scale on the lens-shutter barrel,
Focusing: fixed focus, 3.5m to inf
Shutter: one speed leaf shutter 1/30, M (instant) and B; setting ring on the lens-shutter barrel
Shutter release: on the lens-shutter barrel
Cable release socket: on the lens-shutter barrel
Cocking lever: on the lens-shutter barrel
Viewfinder: reverse telescopic finder, plastic
Winding knob: on top of the camera:
Flash PC socket: none
Back cover: removable with both sides and bottom plate, opens by a lever on the bottom plate, w/red window
Engraving in the camera: СДЕЛАНО В СССР ( SDELANO V SSSR = Made in USSR)
Tripod socket: 3/8"
Body: plastic; Weight: 240g
Serial no. none
Shkolnik was not made by BeLOMO because its end of producing was 1969, before the MMZ's name changed as BeLOMO.
It is rare in the flea market.