K 150/4

K 150/4

General Description

All Pentax sources report the wrong weight for this lens (338 g), but weighing an actual sample shows the real weight — 373 g.

Product Information
Exact Name SMC PENTAX 1:4/150
Color black
Year of Introduction 1975
Catalog Number 23740
Sold with Hood clip-on hood: PH-R52
Sold with Case dedicated hard case: exact name unknown

Technical Specifications

Optical Formula 5 elements in 5 groups
Aperture Range f/4 ~ f/32
Number of Aperture Blades 6
Minimum Focusing Distance 1.8 m
Maximum Magnification unknown
Filter Diameter 52 mm
Maximum Diameter 63 mm
Length 96 mm
Weight 373 g
Cap plastic clip-on cap, 52 mm
Fitting Hood(s) clip-on hood: PH-R52
Fitting Case(s) dedicated hard case: exact name unknown