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Forum: Pentax SLR Lens Discussion 05-12-2016, 10:29 PM  
K1, K-mount and Samyang autofocus lenses
Posted By forest_bear59
Replies: 10
Views: 2,400
The original PK-mount is an open standard as far as I know. I don't know if this standard contains later additions, but definitely the AF signal layout is not an open standard. This means a re-enginieering for companies willing to offer Pentax AF-glasses, a tedious task, and one with a certain risk to implement failures. For C and N this maybe ok, as the sheer mass of produced units will earn them enough money even if later adaptions / corrections have to be made, but Pentax certainly is not a mass market ... at least at the moment ;) .

So I agree with you. Pentax should open the layout of their AF signal processing, too. This would potentially help to get more attention of lens producers.
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