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M 400/5.6

General Description

Product Information
Exact Namesmc PENTAX-M 1:5.6 400mm
Years of Production1977 ~ 1984
Availabilityused, several times a year
Catalog Number24560
Sold with Hood
Sold with Casededicated hard case: exact name unknown

Technical Specifications

Optical Formula5 elements in 5 groups
Aperture Rangef/5.6 ~ f/45
Number of Aperture Blades8
Minimum Focusing Distance5.0 m
Maximum Magnificationunknown
Filter Diameter77 mm
Maximum Diameter85 mm
Length277 mm
Weight1220 g
Special Featurestripod collar
Capplastic clip-on cap, 77 mm
Fitting Hood(s)built-in hood
Fitting Case(s)dedicated hard case: exact name unknown