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Amazon.com : Fotodiox Lens Mount Adapter - Pentax K Mount (PK) SLR Lens to Olympus 4/3 (OM4/3 or 4/3) Mount Mirrorless Camera Adapter to Olympus 4/3 (OM4/3 or 4/3) Mount Mirrorless Camera
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Amazon.com : Vello Lens Adapter Compatible with Pentax K Lens to Fujifilm X- Mount Camera : Electronics
