Features: • Mounts Exakta, Auto Topcon SLR Lenses to Pentax K (PK) Mount SLR Cameras • Enhanced craftsmanship and high-tolerance construction for demanding professionals • Infinity Focus Allowed with 1.40x Glass Optic; Removeable for Short Macro Ability • Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required • Precision all-metal construction with chrome plated brass mounts for secure and solid fit • 24-Month Fotodiox warranty Whether you're shooting digitally or on film, Fotodiox offers the world's largest selection of lens adapters. Mix camera/lens platforms or reinvigorate vintage glass; Fotodiox has hundreds of ways to mount lenses onto your DSLR or SLR camera. Our adapters deliver infinity focus, manual aperture control, and a sturdy build for lasting quality. Lens Mount: Exakta, Auto Topcon SLR Lens Body Mount: Pentax K (PK) Mount SLR Camera Manufacturer: Fotodiox Inc. Warranty: 24 Months Note: • This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc.) will be disrupted. • Some cameras need to be set a certain way to work with our adapters or you may get a message such as 'Error Lens Not Attached - Check lens'. Please check the support articles on the Fotodiox Knowledge Base for possible solutions on a variety of camera brands. • 'Focus-By-Wire' lenses (such as Canon's STM or Nikons AF-P) requires power to engage the manual focus rings on the lens, since manual lens mount adapters do not power the lens, those lenses will not be able to focus. • Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode. • If your lens does not have a manual aperture control ring, the lens aperture will revert to its default position, which depending on the lens is either stopped down to its largest f-stop or opened up to its smallest f-stop. • To determine what the new 'Crop Factor' or 'Equivalent Focal Length' of the lens when used on your camera will be, please check the Fotodiox Knowledge Base article. • All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.