Pentax K lens on Fujifilm X body: Aperture does not change: Fujifilm X System / SLR Talk Forum: Digital Photography Review
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Fotodiox Lens Mount Adapter - Pentax K Mount (PK) SLR Lens to Fujifilm Fuji X-Series Mirrorless Camera Body - Ace Photo
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Amazon.com : Gobe Lens Mount Adapter: Compatible with Pentax K Lens and Fujifilm X Camera Body : Electronics
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Amazon.com : Fotodiox Pro Lens Mount Shift Adapter Pentax K (PK) Mount Lenses to Fujifilm X-Series Mirrorless Camera Adapter - fits X-Mount Camera Bodies Such as X-Pro1, X-E1, X-M1, X-A1, X-E2, X-T1 :
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