Amazon.com : Fotodiox Lens Mount Adapter - Pentax K AF Mount (PKAF) DSLR Lens to Sony Alpha E-Mount Mirrorless Camera Body with Built-in Aperture Control Dial : Electronics
NEEWER Pentax K Mount Lens to Sony E Camera Lens Mount Adapter - NEEWER – neewer.com
LA-KE1 - Pentax K-mount lenses to Sony E-mount cameras adapter (FW v04 – MonsterAdapter
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Urth Pentax K to Sony E Lens Mount Adapter | Urth US
Pentax 67 SLR Lens to Sony Alpha E-Mount Camera Body Adapter – Fotodiox, Inc. USA
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MonsterAdapter LA-KE1 review: Get Eye AF with your Pentax lenses on Sony E-mount: Digital Photography Review