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Amazon.com : NOVOFLEX Adapter Compatible with Sony E-Mount Camera Body to Pentax K Lenses (NEX/Pent) : Camera Lens Adapters : Electronics
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MonsterAdapter's new LA-KE1 adapter brings autofocus, aperture control to Pentax K-mount lenses on Sony E-mount cameras: Digital Photography Review
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Amazon.com : Fotasy Manual Pentax DA Lens to Sony E-Mount Adapter, PK E Mount Adapter, fits Sony Alpha NEX-7 a3000 a3500 a5000 a5100 a6000 a6100 a6300 a6400 a6400 a6500 a6600, Aperture Control :
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