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M 50/1.7

General Description

Product Information
Exact Namesmc PENTAX-M 1:1.7 50mm
Colorblack
Years of Production1977 ~ 1984
Availabilityused, several times a month
Catalog Number20877
Sold with Hood
Sold with Case

Technical Specifications

Optics
Optical Formula6 elements in 5 groups
Aperture Rangef/1.7 ~ f/22
Number of Aperture Blades6
Minimum Focusing Distance0.45 m
Maximum Magnification0.15 X
Mechanics
Filter Diameter49 mm
Maximum Diameter63 mm
Length31 mm
Weight185 g
Accessories
Capplastic clip-on cap, 49 mm
Fitting Hood(s)screw-on hood: PH-R49
clip-on hood: PH-S49
screw-on hood: RH-R49
Fitting Case(s)dedicated hard case: exact name unknown