smc PENTAX-M 1:2 50mm

Description and Review

smc PENTAX-M 1:2 50mm lens.

Description, Notes & Specifications

Depth of Field Guide

 f/2f/2·8f/3·5f/4f/4·5f/5·6f/6·7f/8f/9·5f/11f/16f/22
0·450·450·450·440·460·440·460·440·460·440·460·440·460·440·470·430·470·430·470·430·480·420·490·400·51
0·500·490·510·490·510·490·510·490·510·490·510·480·520·480·520·480·520·470·530·470·530·460·550·440·57
0·550·540·560·540·560·540·560·540·560·530·570·530·570·530·570·520·580·520·590·510·590·500·610·480·64
0·600·590·610·590·610·590·620·580·620·580·620·580·620·570·630·570·640·560·640·560·650·540·680·520·71
0·700·690·710·680·720·680·720·680·720·670·730·670·730·660·740·660·750·650·760·640·770·620·810·590·86
0·850·830·870·830·880·820·880·820·890·810·890·800·900·800·910·790·930·770·940·760·960·731·020·691·10
1·000·981·020·971·040·961·040·951·050·951·060·941·070·921·090·911·110·901·130·881·150·841·240·791·37
1·201·171·241·151·251·141·271·131·281·131·291·111·311·091·331·071·361·051·401·031·430·971·570·911·77
1·601·541·671·521·691·501·721·481·741·471·761·441·801·411·851·381·901·351·971·312·051·212·341·112·84
2·001·902·111·872·151·842·191·822·221·802·251·752·321·712·401·672·501·622·621·572·761·433·331·294·44
3·002·793·252·713·352·653·462·613·532·563·612·483·802·394·022·304·302·214·682·125·131·877·581·6417·72
5·004·445·734·256·084·096·423·996·703·896·993·697·753·518·693·3210·143·1212·562·9516·502·48∞ 2·09∞ 
15·0010·8524·309·7732·318·9845·428·5063·958·06∞ 7·24∞ 6·57∞ 5·93∞ 5·32∞ 4·83∞ 3·69∞ 2·88∞ 
∞ 28·10∞ 21·82∞ 18·26∞ 16·35∞ 14·80∞ 12·25∞ 10·45∞ 8·90∞ 7·60∞ 6·63∞ 4·66∞ 3·43∞ 

(Distances in metres; Circle of Confusion is taken at 0·032 millimetres.)

Review

Recommended: Yes

References

  1. Bojidar Dimitrov's Pentax K-Mount Page (http://www.bdimitrov.de/kmp/)