A 20/2.8

A 20/2.8

General Description

Product Information
Exact Name smc PENTAX-A 1:2.8 20mm
Color black
Year of Introduction 1985
Sales Variations
Catalog Number 22870 22875
Sold with Hood
Sold with Case hard case: HD-100

Technical Specifications

Optics
Optical Formula 10 elements in 9 groups
Aperture Range f/2.8 ~ f/22
Number of Aperture Blades 5
Minimum Focusing Distance 0.25 m
Maximum Magnification 0.12 X
Mechanics
Filter Diameter 67 mm
Maximum Diameter 70 mm
Length 43.5 mm
Weight 245 g
Accessories
Cap plastic clip-on cap, 67 mm
Fitting Hood(s) screw-on hood: MH-RB67
Fitting Case(s) hard case: HD-100