K 300/4

K 300/4

General Description

This lens was listed in catalogs as late as 1985, but it is virtually certain that production ended in 1981.

Product Variations
Exact Name SMC PENTAX 1:4/300 smc PENTAX 1:4 300mm
Color black black
Year of Introduction 1975 1977
Catalog Number 24340 24340
Sold with Hood
Sold with Case hard case: SMC PENTAX 4/300 hard case: SMC PENTAX 4/300

Technical Specifications

Optical Formula 7 elements in 5 groups
Aperture Range f/4 ~ f/32
Number of Aperture Blades 8
Minimum Focusing Distance 4.0 m
Maximum Magnification unknown
Filter Diameter 77 mm
Maximum Diameter 85 mm
Length 188 mm
Weight 1020 g
Cap plastic clip-on cap, 77 mm
Fitting Hood(s) built-in hood
Fitting Case(s) hard case: SMC PENTAX 4/300