Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body & Replacement Rear Lens Cap Compatible with Pentax K Mount DSLR
Amazon.com: Oumij M42-PK M42 for Pentax PK K Mount Adapter Ring Focus Infinity M42-PK Metal Camera Lens Filter Ring Adapter Kit : Electronics
Amazon.com : Pentax Asahi SMC Takumar 50mm 1:1.4 1.4 50 mm - M42 M 42 : Electronics
Amazon.com: Bindpo M42-PK Lens Mount Adapter Ring, Copper Metal Manual Focus Lens Converter for M42 Threaded Lens to for Pentax PK K Mount Camera : Electronics
Amazon.com : PENTAX Super TAKUMAR 35mm F/3.5 MF Lens (M42 / thread mount) : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : Senyar Adapter Ring, M42 PK Lens Mount Adapter for Pentax PK K Mount Adapter Ring for Focus Infinity M42-PK : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Pentax Super Multi-Coated Takumar 24mm f3.5 Lens m42 with Hood : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : Bower ABSPK Pentax K Mount to M42 Screw Mount Adapter : Camera Lens Adapters : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : Fotodiox Lens Mount Adapter (Type 1), M42 (42mm x1 Thread Screw) Lens to Pentax Q-Series Camera, fits Pentax Q Mirrorless Cameras, fits Pentax Takumar and Zeiss Lenses. : Electronics
Amazon.com : Fotodiox Lens Mount Adapter (Type 2), M42 (42mm x1 Thread Screw) Lens to Pentax Q-Series Camera, fits Pentax Q Mirrorless Cameras : Electronics
Amazon.com : Fotodiox Lens Mount Adapter (Type 1), M42 (42mm x1 Thread Screw) Lens to Pentax Q-Series Camera, fits Pentax Q Mirrorless Cameras, fits Pentax Takumar and Zeiss Lenses. : Electronics
Amazon.com : Pentax Asahi SMC Takumar 50mm 1:1.4 1.4 50 mm - M42 M 42 : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body & Replacement Rear Lens Cap Compatible with Pentax K Mount DSLR
Amazon.com : Pentax Asahi SMC Takumar 50mm 1:1.4 1.4 50 mm - M42 M 42 : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Fotasy Copper Adjustable M42 Lens to E Mount Adapter, 42mm Screw Mount to E Mount, Compatible with Sony a7 a7R a7s II III IV a9 a7c Alpha 1 a6600 a6500
