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11-15-2009, 12:28 PM   #1
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mtf data in older Pentax lenses

Is there embeded mtf data in older A series Pentax lenses that is read by the program line or is it only in the newer lenses?
Alistair

11-15-2009, 12:34 PM   #2
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Nope -- there's no embedded electronics at all in a KA mount -- just a pattern of contacts indicating min and max aperture.
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