K 17/4 Fish-Eye

K 17/4 Fish-Eye

General Description

Product Variations
Exact Name SMC PENTAX FISH-EYE 1:4/17 smc PENTAX FISH-EYE 1:4 17mm
Color black black
Year of Introduction 1975 1977
Catalog Number 21240 21240
Sold with Hood
Sold with Case dedicated hard case: exact name unknown dedicated hard case: exact name unknown

Technical Specifications

Optics
Optical Formula 11 elements in 7 groups
Aperture Range f/4 ~ f/22
Number of Aperture Blades 6
Minimum Focusing Distance 0.2 m
Maximum Magnification unknown
Special Features fish-eye lens
Mechanics
Front-Filter Thread no
Built-in Filters Y48(Y2), Skylight, none, L39(UV), O56(O2)
Gelatine-Filter Holder yes
Maximum Diameter 65 mm
Length 34 mm
Weight 235 g
Accessories
Cap metal slip-on cap, 65 mm
Fitting Hood(s) not applicable
Fitting Case(s) dedicated hard case: exact name unknown