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K 55/1.8

General Description

Product Information
Exact NameSMC PENTAX 1:1.8/55
Years of Production1975 ~ 1977
Availabilityused, several times a year
Catalog Number20747
Sold with Hood
Sold with Casededicated hard case: exact name unknown

Technical Specifications

Optical Formula6 elements in 5 groups
Aperture Rangef/1.8 ~ f/22
Number of Aperture Blades6
Minimum Focusing Distance0.45 m
Maximum Magnificationunknown
Filter Diameter52 mm
Maximum Diameter63 mm
Length39 mm
Weight221 g
Capplastic clip-on cap, 52 mm
Fitting Hood(s)clip-on hood: PH-R52
clip-on hood: PH-S52
Fitting Case(s)dedicated hard case: exact name unknown