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A 28/2.8

General Description

Product Information
Exact Namesmc PENTAX-A 1:2.8 28mm
Years of Production1984 ~ 1988
Availabilityused, several times a month
Catalog Number22997
Sold with Hood
Sold with Casehard case: HA-90B

Technical Specifications

Optical Formula7 elements in 7 groups
Aperture Rangef/2.8 ~ f/22
Number of Aperture Blades5
Minimum Focusing Distance0.3 m
Maximum Magnification0.13 X
Filter Diameter49 mm
Maximum Diameter63 mm
Length37 mm
Weight170 g
Capplastic clip-on cap, 49 mm
Fitting Hood(s)clip-on hood: PH-S49
Fitting Case(s)hard case: HA-90B