Made of metal
In this case "stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode .
Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter.
Suitable For Nikon SLR DSLR
10pcs Lens Adapter Ring M42 Lens For Nikon Mount Adapter With Infinity Focus Glass For Nikon DSLR Camera D60 D80 D90 D700 D5000
It allows you to use M42 mount lenses and macro accessories for NIKON SLR/DSLR cameras. The lens distance scale can be used as well as the focusing to infinity and the adapter has correction lens inside.