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M 100/4 Dental Macro

General Description

This lens is identical to the non-dental one, except that it has red and yellow marks for determining magnification when used with the dental close-up set.

Product Information
Exact Namesmc PENTAX-M DENTAL MACRO 1:4 100mm
Years of Production1977 ~ 1984
Availabilityused, once in several years
Catalog Number28900
Sold with Hoodscrew-on hood: PH-R49
Sold with Casehard case: SMC PENTAX MACRO 4/100

Technical Specifications

Optical Formula5 elements in 3 groups
Aperture Rangef/4 ~ f/32
Number of Aperture Blades6
Minimum Focusing Distance0.45 m
Maximum Magnification0.5 X
Special Featuresdental macro lens
Filter Diameter49 mm
Maximum Diameter65 mm
Length78 mm
Weight360 g
Capplastic clip-on cap, 49 mm
Fitting Hood(s)screw-on hood: PH-R49
clip-on hood: SMC PENTAX 1:2 85mm 1:2.8-4 100mm
Fitting Case(s)hard case: SMC PENTAX MACRO 4/100