F 100/2.8 Macro

F 100/2.8 Macro

General Description

Focus Range Limit Switch; what this does is to allow you to limit the focus range to 1/4x (= about .6 meter) or closer

Product Information
Exact Name smc PENTAX-F 1:2.8 100mm MACRO
Color dark grey
Year of Introduction 1987
Catalog Number 28990
Sold with Hood
Sold with Case soft case: S80-160

Technical Specifications

Optical Formula 9 elements in 8 groups
Aperture Range f/2.8 ~ f/32
Number of Aperture Blades 8
Minimum Focusing Distance 0.31 m
Maximum Magnification 1.0 X
Special Features fixed rear-element extension (FREE), macro lens
Filter Diameter 58 mm
Maximum Diameter 74 mm
Length 104 mm
Weight 590 g
Special Features focusing limiter
Cap plastic clip-on cap, 58 mm
Fitting Hood(s) no hood required
Fitting Case(s) soft case: S80-160