Introduction) ■ No price reductions. Please read the profile before purchasing. ■ We reserve the right to unilaterally delete bids from users with unfavorable ratings, at our discretion. ■ Returns are not accepted due to the risk of product substitution, etc. ■ PENTAX Mount Adapter K M42 Mount, in good condition. This is a Pentax product. ■ This adapter converts a PENTAX K-mount camera to an M42 mount. ■ Includes instruction manual. ■ As a bonus, a genuine PENTAX lens case strap is included. ■ Returns are not accepted to prevent product substitution. ■ Thank you for your understanding. Manual Lens Konica AR Mount Canon FE Mount Pentax K Mount Olympus OM Mount Nikon F Mount m42 Old Lens Ricoh GR Fuji E Mount FE Mount Sony E Mount Micro Four Thirds Mount Adapter Old Lens Minolta Rokkor Large Aperture Lens a5000 a5100 a6000 A7S RX10 A7R NEX-5T QX1 A7SII RX10III RX10IV A6300 A7SII A7 A7II A7RII a6500 A6500 panasonic Panasonic Olympus Olympus fujifilm Fujifilm leica Leica tamron Tamron zeiss Zeiss sigma Sigma richo Ricoh K&F Concept K&F Concept Takumar Super Takumar 50mm f1.4