Description: Brand new and high quality. Feature: Both the camera side and lens side of the adapter are made of aluminum, precision-machined and plated with chrome. The all-metal adapter is designed to fit the lens securely, yet can be removed when not needed. Although the lens will fit physically, automatic diaphragm (AE metering) or any other automatic functions are not maintained with this adapter. Precise fit and solid connection - the lens has no play, gap or wiggling when mounted on the adapter and no adjustments are required to fit your lens. Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements. With optical glass, support for focus for infinity. Only for Focus for Infinity Lens Adapter Suit, other accessories demo in the picture is not included! Compatible models: For M42 mount lens For Nikon DSLR camera For Nikon D5600, D500, D5, D810A, D7200, D5500, D750, D810, D5300, D3300, Df, D610, D7100, D5200, D600, D3200, D800/D800E, D4, D700, D300S, D3000, D3X, D90, D700 Specifications: Item Type: for Focus for Infinity Lens Adapter Suit Material: Metal Size: Lens Diameter: 55mm/2.1in, Height: 15mm/0.5in Color: Black Quantity: 1 Pc Note: No retail package. Transition: 1cm = 10mm = 0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x for Focus for Infinity Lens Adapter Suit