Additional Information:
Resolution: in the center - 35 lines / mm, at the edge of the field - 17 lines / mm
Connecting thread - 60x0.75 mm
Luminous diameter of the first and last surfaces 36 mm
Angular field of view 43 °
Covers a frame 24x30 cm
posterior focal length 333.34 mm
anterior focal section -333.34 mm
largest body diameter 87 mm
LOMO RF-4 F = 360 1:10 - photoreproduction lens, six-lens anastigmat.