HD PENTAX-D FA ★ 50mm f/1.4 SDM AW lens additional info (sharper than the Sigma Art version)


Some more interesting comments from asahi man – first regarding the HD Pentax-D FA★ 50mm f/1.4 SDM AW lens and its cousin the Tokina Opera (he also provided the optical design of the new Pentax 50mm lens – 15 elements in 9 groups):

  • Very special focus group
  • Very heavy because of the new ultrasonic drive
  • The goal of this new line is to be comparable to the current Zeiss line and it looks very good
  • This 50 is sharper from corner to corner than Sigma Art
  • Everything of this lens is developed and patented by Pentax and Pentax produced (source)
  • The Tokina is made by Tokina but uses the Pentax patent and different coatings (source)

Concerning the revamping of some of the current, but aging DA★ lenses:

  • Next also old DA* lenses with new motor and electronics (maybe 16-50 + 50-135 will be first)
  • Maybe official information will be released in September (source)
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