K-mount adapters for Pentax new-mount cameras

Started 11 months ago | Discussions thread
Alex Sarbu Forum Pro • Posts: 10,069
Something to think about...
2

The D FA* 50mm required an unprecedentedly (at least, for Pentax) tight construction.

It was found - late in the process - that the barrel couldn't properly support the heavy front group, which led to a slight but significant misalignment - impacting the optical performance.

Long story short, they solved that issue with special support components. Also, the lens mount has "the highest number of screws ever used" - for structural rigidity.

What would happen when you add an adapter? Can it be rigid enough? I believe Lloyd Chambers warned about adapters introducing such misalignments.

Alex

 Alex Sarbu's gear list:Alex Sarbu's gear list
Ricoh GR III Pentax K-5 IIs Pentax K-1 II Pentax smc DA 21mm F3.2 AL Limited Pentax smc DA 70mm F2.4 AL Limited +8 more
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