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Amazon.com : Meike 50mm F1.7 Full Frame Large Aperture Manual Focus Lens Compatible with Sony FE E Mount Mirrorless Cameras A7RIII A7III A7RIV A7IV A7 A9 A7C NEX 3 A9II A7II A6400
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Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics
Amazon.com : Pentax K-7 14.6 MP Digital SLR with Shake Reduction and 720p HD Video (Body Only) : Slr Digital Cameras : Electronics
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Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : Meike 50mm F1.7 Full Frame Large Aperture Manual Focus Lens Compatible with Sony FE E Mount Mirrorless Cameras A7RIII A7III A7RIV A7IV A7 A9 A7C NEX 3 A9II A7II A6400
Amazon.com : Asahi SMC Takumar 50mm 1:1.4 1.4 50 mm - M42 M 42 : Electronics