賓得士K卡口

賓得士K接環（Pentax K-mount，或縮寫為PK-mount）是单镜反光相机的其中一個可交換鏡頭接環標準。該標準由賓得士在1975年建立，並用於賓得士的35 mm底片相機與數位單眼相機；另外，2012年上市的無反光鏡可換鏡頭相機賓得士K-01也使用該接環。另有其他公司也曾經或正在生產使用賓得士 K接環的相機與鏡頭。

參考資料
外部連結

• [https://web.archive.org/web/20150815115343/http://www.us.ricoh-imaging.com/products/lens-compatibility Ricoh Imaging: Lens compatibility]
• [http://www.pentaxforums.com/articles/photo-articles/evolution-of-pentax-k-mount.html The Evolution of the Pentax K-mount – Technical Information and a Little Bit of History]
• [https://web.archive.org/web/20150811093720/http://kmp.bdimitrov.de/ Bojidar Dimitrov's Pentax K-mount page]
• [https://web.archive.org/web/20060222072318/http://www.butkus.org/chinon/ultimate_k-mount.htm List of cameras with a Pentax K-mount]
• [http://plg.komkon.org List of Pentax K lenses and some comparison on bokeh and flare, also selected non-Pentax ones]
• [http://www.photopentax.com/compatibilite-en.html The largest database of PK-lens mount]