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A 100/2.8 Macro

General Description

Product Information
Exact Namesmc PENTAX-A MACRO 1:2.8 100mm
Years of Production1985 ~ 1989
Availabilityused, several times a year
Catalog Number28970
Sold with Hood
Sold with Casehard case: HG-140

Technical Specifications

Optical Formula7 elements in 7 groups
Aperture Rangef/2.8 ~ f/22
Number of Aperture Blades8
Minimum Focusing Distance0.31 m
Maximum Magnification1.0 X
Special Featuresfixed rear-element extension (FREE), macro lens
Filter Diameter58 mm
Maximum Diameter74 mm
Length93 mm
Weight470 g
Capplastic clip-on cap, 58 mm
Fitting Hood(s)no hood required
Fitting Case(s)hard case: HG-140