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K 28/2

General Description

Product Variations
Exact NameSMC PENTAX 1:2/28smc PENTAX 1:2 28mm
Colorblackblack
Years of Production1976 ~ 19771977 ~ 1981
Availabilityused, once in several yearsused, several times a year
Catalog Number2294122941
Sold with Hood
Sold with Casehard case: SMC PENTAX 2/28hard case: SMC PENTAX 2/28

Technical Specifications

Optics
Optical Formula9 elements in 8 groups
Aperture Rangef/2 ~ f/22
Number of Aperture Blades6
Minimum Focusing Distance0.25 m
Maximum Magnification0.13 X
Special Featuresfloating elements
Mechanics
Filter Diameter52 mm
Maximum Diameter62.5 mm
Length69 mm
Weight423 g
Accessories
Capplastic clip-on cap, 52 mm
Fitting Hood(s)clip-on hood: PH-S52
Fitting Case(s)hard case: SMC PENTAX 2/28