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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 : NOVOFLEX Adapter Compatible with Sony E-Mount Camera Body to Pentax K Lenses (NEX/Pent) : Camera Lens Adapters : Electronics
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MonsterAdapter LA-KE1 review: Get Eye AF with your Pentax lenses on Sony E- mount: Digital Photography Review
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