The Adapter forย Pentax K Mount To Canon EOS M Cameras from Novoflex allows you to useย Pentax K mount lenses on Canon EOS M mirrorless cameras. Thisย will provide you with a broad range ofย focal length and lensย type optionsย to use on your Canon mirrorless camera.ย This adapter has an integrated aperture control ring and can be used with all Pentax K mount lenses. This is a completely manual adapter: no electronic information passes from lens to camera, and manual focusing is required. Using the camera's aperture priority mode for exposure metering is suggested.