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K 17/4 Fish-Eye

General Description

Product Variations
Exact NameSMC PENTAX FISH-EYE 1:4/17smc PENTAX FISH-EYE 1:4 17mm
Years of Production1975 ~ 19771977 ~ 1985
Availabilityused, several times a yearused, several times a year
Catalog Number2124021240
Sold with Hood
Sold with Casededicated hard case: exact name unknowndedicated hard case: exact name unknown

Technical Specifications

Optical Formula11 elements in 7 groups
Aperture Rangef/4 ~ f/22
Number of Aperture Blades6
Minimum Focusing Distance0.2 m
Maximum Magnificationunknown
Special Featuresfish-eye lens
Front-Filter Threadno
Built-in FiltersY48(Y2), Skylight, none, L39(UV), O56(O2)
Gelatine-Filter Holderyes
Maximum Diameter65 mm
Length34 mm
Weight235 g
Capmetal slip-on cap, 65 mm
Fitting Hood(s)not applicable
Fitting Case(s)dedicated hard case: exact name unknown