Canon pioneered Shutter Priority Automation while Pentax was investing in aperture priority automation, pretty much contemporary IIRC. (I was selling Cameras Retail and the AE-1 was along side the ME and K2 in the display cases), The AE-1 meter was a PITA to use in manual mode, I think they used a trap needle system in their automation. Minolta beat both to punch with both in the same camera, I believe. Canon was next and I can't remember if Nikon beat Pentax or not.

Adam Maas wrote:

Mark Roberts wrote:

Igor Roshchin <[EMAIL PROTECTED]> wrote:

I just came across this interesting page, discussing design
of various 85mm lenses produced by Asahi/Pentax in different mounts.
http://www.taunusreiter.de/Cameras/Pentax_Takumar_85mm.html


Interesting error regarding the A85/1.4:
"The "A" lens family offered aperture priority mode. This also was
offered a decade ago by companies like CANON, and 7 years earlier by
ZEISS (MM-lenses)."

The "A" lenses introduced SHUTTER-priority, not aperture priority
automation, and they weren't far behind Canon & Nikon in doing so, were
they?


They were well behind Nikon, which had a Shutter-priority version of the F2 in 1974 or so. Not sure about Canon, and Contax was about the same time as Pentax IIRC (MM lenses were a mid-80's development, It's the Contax/Yashica mount that's 7 years older than KA)

-Adam




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When you're worried or in doubt, Run in circles, (scream and shout).

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