K 28-50/3.5-4.5

K 28-50/3.5-4.5

General Description

Product Information
Exact Name SMC PENTAX ZOOM 1:3.5 28mm~1:4.5 50mm
Color black
Year of Introduction 1975
Catalog Number unknown
Sold with Hood
Sold with Case dedicated hard case: exact name unknown

Technical Specifications

Optics
Optical Formula 10 elements in 10 groups
Aperture Range f/3.5 (4.5) ~ f/22 (32)
Number of Aperture Blades 6
Minimum Focusing Distance 0.55 m
Maximum Magnification unknown
Mechanics
Filter Diameter 52 mm
Maximum Diameter 65 mm
Length 52 mm
Weight 315 g
Accessories
Cap plastic clip-on cap, 52 mm
Fitting Hood(s) clip-on hood: PH-R52
Fitting Case(s) dedicated hard case: exact name unknown