Metabones Speed Booster for Pentax K lenses?

Started Apr 14, 2013 | Discussions thread
steephill
Veteran MemberPosts: 8,891
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You're missing the point
In reply to Ari Aikomus, Apr 16, 2013

They have a full work schedule which is already falling behind by many months so any additional models such as your desired K-NEX model will take a long time to deliver. So long in fact that anyone who wants to get full use of Pentax FF lenses will probably have a suitable Pentax FF body available to them to achieve this without the use of adaptors. The gain in aperture with an APS-C body/adaptor combo will be negated by the better performance of a FF sensor.

As an aside note the registration distance of C/Y is not the same as K, nearly, but not quite. The difference is enough to frustrate infinity focus when mounting C/Y lenses on K bodies. The Leitax mounts correct this of course.

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Steve
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