FED Mikron Micron scale focus USSR film camera Helios-89 lens 1.9/30 Olympic

FED-Micron, half-frame scale-focus camera
with Helios-89 lens, 1.9/30
8012751, 35 mm, Olympic type
"FED" plant, USSR
with strap

Very good condition. Camera seems to be working (although exposure meter works a bit not very precisely, at incandescent lamp is sets shutter speed 1/250). Body has very small signs of age (leatherette has partly came unstuck at the edges). Lens is clear and clean, without any fungus or scratches. Inside the lens and viewfinder there are microspecks of microdust. Strap is original.

Characteristics:
S/number - #8012751
Frame size - 24x18.
Shutter speeds - 1/30-1/800, B
Lens - "Helios-89", 1.9/30
Angle of view - 52o
Limit of aperturing - 1:1.9 (max), 1:16 (min)
Resolving power - (centre/edge) 50/29 lines/mm 
Minimal distance of focusing - 1 m
Type of filter thread - 46x0.75 mm
Body - aluminium.
Dimension - 118x50x73 mm
Weight - 465 g (with strap)