On Apr 13, 2009, at 7:56 PM, Adam Maas wrote:
M42 lenses readily adapt to EOS but K mount is a different story
altogether. ...
Does the same apply for adapting to 4/3?
4/3rds, like EF-S, has a small mirror that the stop-down lever will
not interfere with, unlike the FF Canons (like the EOS 500n which is a
film body) and their large mirrors.
The only caveat with Pentax K to FourThirds adaptation is that *some*
Pentax lenses have protrusions out the back which can damage the
FourThirds body-lens contacts. For this reason, good Pentax K to
FourThirds adapters rotate the lens about 30 degrees clockwise, when
looking at the body from the front. Also, DA series lenses (without an
aperture ring) are difficult to use on FourThirds bodies since the
iris actuator allows the lens to close down all the way by default,
and there is no easy way to set the aperture when in use.
Godfrey
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