K 50/4 Macro

K 50/4 Macro

General Description

Product Information
Exact Name SMC PENTAX MACRO 1:4/50
Color black
Year of Introduction 1975
Catalog Number 28140
Sold with Hood
Sold with Case dedicated hard case: exact name unknown

Technical Specifications

Optics
Optical Formula 4 elements in 3 groups
Aperture Range f/4 ~ f/32
Number of Aperture Blades 5
Minimum Focusing Distance 0.23 m
Maximum Magnification 0.5 X
Special Features macro lens
Mechanics
Filter Diameter 52 mm
Maximum Diameter 63 mm
Length 54 mm
Weight 241 g
Accessories
Cap plastic clip-on cap, 52 mm
Fitting Hood(s) no hood required
Fitting Case(s) dedicated hard case: exact name unknown