Enhance your photography and videography experience with the Pro Lens Mount Adapter for Pentax K Auto Focus Mount (PK AF) DSLR Lens to Nikon Z-Mount Mirrorless Camera Body. This high-quality, durable adapter is designed to mount Pentax K lenses to Nikon Z-Mount cameras, offering a versatile solution for photographers who wish to use their existing Pentax K lenses on a Nikon Z-Mount mirrorless camera body. Crafted with precision, this compact adapter is part of Fotodiox's Pro line, designed specifically to meet the demands of professional photographers. Its all-metal construction ensures a secure, solid fit with no play, gap, or wiggling, providing a stress-free user experience. The chrome-plated brass mounts further enhance its durability and reliability, ensuring that the lens-camera connection remains secure with every use. This Pro Lens Mount Adapter is designed for manual operation, meaning lens functions that rely on electronic communication with the camera body, such as autofocus, AE metering, and image stabilization, will be disrupted. 'Focus-By-Wire' lenses, such as Canon's STM or Nikon's AF-P, require power to engage the manual focus rings on the lens. Since manual lens mount adapters do not power the lens, these lenses will not be able to focus. To use this adapter, 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. In conclusion, this affordable Pro Lens Mount Adapter is a versatile tool for photographers looking to expand their lens options, offering compatibility with a wide range of Pentax K lenses and Nikon Z-Mount mirrorless cameras.