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K 500/4.5

General Description

Product Variations
Exact NameSMC PENTAX 1:4.5/500smc PENTAX 1:4.5 500mm
Colorblackblack
Years of Production1975 ~ 19771977 ~ 1998
Availabilityused, once in several yearsused, once in several years
Catalog Number2474024740
Sold with Hood
Sold with Casehard case: SMC PENTAX 4.5/500hard case: SMC PENTAX 4.5/500

Technical Specifications

Optics
Optical Formula4 elements in 4 groups
Aperture Rangef/4.5 ~ f/45
Number of Aperture Blades10
Minimum Focusing Distance10.0 m
Maximum Magnificationunknown
Mechanics
Front-Filter Threadno
Rear-Filter Diameter52 mm
Maximum Diameter127 mm
Length440 mm
Weight3370 g
Special Featurestripod collar, manual diaphragm
Accessories
Capmetal slip-on cap, 128 mm
Fitting Hood(s)built-in hood
Fitting Case(s)hard case: SMC PENTAX 4.5/500