About Authors Changes Copyright Index References To Do WWW
Bodies Flashes Lenses Miscellaneous Power Technology Teleconverters
M 28-50/3.5-4.5

General Description

Product Information
Exact Namesmc PENTAX-M ZOOM 1:3.5 28mm~1:4.5 50mm
Colorblack
Years of Production1979 ~ 1985
Availabilityused, several times a year
Catalog Number27060
Sold with Hood
Sold with Casededicated hard case: exact name unknown

Technical Specifications

Optics
Optical Formula10 elements in 10 groups
Aperture Rangef/3.5 (4.5) ~ f/22
Number of Aperture Blades6
Minimum Focusing Distance0.6 m
Maximum Magnificationunknown
Mechanics
Filter Diameter52 mm
Maximum Diameter65 mm
Length52 mm
Weight310 g
Accessories
Capplastic clip-on cap, 52 mm
Fitting Hood(s)clip-on hood: PH-R52
Fitting Case(s)dedicated hard case: exact name unknown