For Pentax K PK Lens to For Nikon F Mount Adapter Lens Ring Camera Accessories Features: Superior quality, top class precise design. Made of Aluminum with High Quality. Completely manual control, manual focus and manual exposure. This adapter ring allows you to use the for Pentax K (except DA) lens on the for Nikon F Mount camera body, it's saving you the expense of a costly and irreversible conversion. Specifications: Material: Aluminum Compatible with: for Nikon F Mount D780/D6/D3500/D850/D7500/D5600/D3400/D500/D5/Df/D7200/D810A/D5500/D750/D810/D4S/D4/D3/D610/D600/D800E/D700/D300S/D300/D5300/D5200/D5100/D3200/D3100/D90/D7100/D7000 Camera Compatible with: for Pentax K (except DA) Mount Lenses Note: Macro:Not Focus to Infinity, for Macro shooting only(Shooting distance not exceeding 30cm). Telephoto:It can be infinitely far. Package include: 1*Lens Ring Adapter