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K 100/4 Bellows

General Description

This lens has no provisions for focusing, and should be used only with bellows.

Product Variations
Exact NameSMC PENTAX BELLOWS 1:4/100smc PENTAX BELLOWS 1:4 100mm
Years of Production1975 ~ 19771977 ~ 1998
Availabilityused, several times a yearused, several times a year
Catalog Number2824028250
Sold with Hood
Sold with Casehard case: SMC PENTAX BELLOWS 4/100hard case: SMC PENTAX BELLOWS 4/100

Technical Specifications

Optical Formula5 elements in 3 groups
Aperture Rangef/4 ~ f/32
Number of Aperture Blades6
Minimum Focusing Distancedepends on the bellows extension
Maximum Magnificationdepends on the bellows extension
Special Featuresbellows lens
Filter Diameter52 mm
Maximum Diameter60 mm
Length40 mm
Weight185 g
Capplastic clip-on cap, 52 mm
Fitting Hood(s)screw-on hood: MH-RB52
clip-on hood: PH-S52
Fitting Case(s)soft case: S70-70
hard case: SMC PENTAX BELLOWS 4/100