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A* 400/2.8 ED [IF]

General Description

Product Information
Exact Namesmc PENTAX-A* 1:2.8 400mm ED(IF)
Colorwhite-grey
Years of Production1986 ~ 2004
Availabilityused, several times a year
Catalog Number24590
Sold with Hood
Sold with Casededicated trunk: no name

Technical Specifications

Optics
Optical Formula8 elements in 8 groups
Aperture Rangef/2.8 ~ f/32
Number of Aperture Blades8
Minimum Focusing Distance4.5 m
Maximum Magnification0.13 X
Special Featuresextra-low dispersion element(s), internal focusing
Mechanics
Filter Diameter145 mm
Rear-Filter Diameter49 mm
Maximum Diameter165 mm
Length325 mm
Weight6000 g
Special Featurestripod collar
Accessories
Capunknown
Fitting Hood(s)built-in hood
Fitting Case(s)dedicated trunk: no name