well there ain't.....at least with Pentax...
made soem tests yesterday.....I got proper exposure using the 3/4 lens, but mounting the full frame lens changed things....I was getting consistenly underexposed frames but i managed to correct wih oen stop down and +1 stop of flash power....
Seems the camera reads the focal length from the lens chip but it is a value that does not corespond to the effective focasl length....
more I cannot deduce....
I wopudl appreciate your help though, kostas |
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