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photo:pentaxklenses

Pentax K mount lenses

introduction

  • Pentax K mount bayonet was introduced in 1975 to replace the old M42 screw mount
  • in 1977, in response to the compact Olympus OM system lenses of 1973, Pentax started creating more compact lenses (“Pentax M”) for their new compact 35mm SLRs, the Pentax ME and MX
  • in 1984, in response to Canon's shutter priority exposure mode, the “Pentax A” lens family also offered shutter priority mode
  • in 1992, in response to Canon's AF technology, the Pentax FA range of auto-focus lenses were made

timeline

  • 1975:
    • SMC Pentax K 85mm f/1.8 (1975-77) - optically, same as its M42 mount predecessor
  • 1977:
    • SMC Pentax M 85mm f/2.0 (1977-84) - not as sharp as the older lenses
  • 1984:
    • SMC Pentax A 85mm f/1.4 (1984-89) - similar to Zeiss Planar 85mm f/1.4
  • 1992:
    • SMC Pentax FA 85mm f/1.4 (1992 -
  • 2017:
    • HD PENTAX-D FA* 50mm F1.4 SDM AW
    • HD PENTAX-DA* 11-18mm F2.8
photo/pentaxklenses.txt · Last modified: 2017/10/27 01:11 by gary1