[dave9t5]

[quote name='Alexander ' timestamp='1336069944' post='17986']

I don't know of any lens that would be dangerous for the K-5.. <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/tongue.gif' class='bbc_emoticon' alt='' />

[/quote]





[quote name='Klaus' timestamp='1336077419' post='17990']

Well ... you will have to lift up the mirror in order to be able to insert the lens ... thereafter the mirror will flip back and remain in sort-of upward position on the rear of the lens.

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These lens rear-element could make K-5 mirror go boom-boom:





Link (15mm lens): http://www.16-9.net/lens_tests/15mm_test1.html