Features: Its lens mount adapter suitable for Nikon lens mount and for Pentax SLR cameras. Certain prime lens simply can not be replaced, so you can save the cost of buying on new lenses with this adapter ring. Good craftsmanship with precise design and high-tech, made of alloy and glasses, smooth surface for effortless mounting, installing, removing and operating. This Lens adapter lets you choose your favorite for Nikon Lens on your for Pentax camera body. You can shoot in manual or aperture priority mode, and infinity focal is guaranteed. The adapters are precise to assure the perfect fit. Specification: Condition: Brand New Material: Plastic, Alloy, Glass Color: Black Compatible Lens: for Nikon Mount Lenses Compatible Camera Body: for Pentax Cameras Inner Diameter: Approx. 5 cm / 2.0 in Outer Diameter: Approx. 6 cm / 2.4 in Weight: Approx. 81 g Package List: 1 * Lens Adaptor Ring Note: Only the Lens Adaptor Ring, others are photography props. 1、Its lens mount adapter suitable for Nikon lens mount and for Pentax SLR cameras. 2、Certain prime lens simply can not be replaced, so you can save the cost of buying on new lenses with this adapter ring. 3、Good craftsmanship with precise design and high-tech, made of alloy and glasses, smooth surface for effortless mounting, installing, removing and operating. 4、This Lens adapter lets you choose your favorite for Nikon Lens on your for Pentax camera body. 5、You can shoot in manual or aperture priority mode, and infinity focal is guaranteed.