smc PENTAX-M 1:2 28mm

Years of Production: 1980-1984
K mount
Optical Formula: 8 elements in 7 groups
Aperture Range: f/2 - f/22
6 Aperture Blades
Minimum Focusing Distance: 0.3m
Maximum Magnification: 0.13X
Filter Diameter: 49mm
Maximum Diameter: 63mm
Length: 42mm
Weight: 215g

http://www.pbase.com/cameras/pentax/smc__p_m_28_20


CRW_6419