Fotasy T / T2 Mount Telephoto Lens to Nikon DSLR Adapter, for Nikon D5 D4S D4 Df D3 D3X D3S D850 D810 D800 D750 D700 D610 D600 D500 D300S D300 D7500 D7200 D7100 D7000 D5000 D5100 D5200 D5300 D5500 D5600 D3400 D3300 D3200 D3100 Allows T/T2 Telescope Lens to be used on Nikon DSLR Body. Smooth surface for effortless mount, fine made to be light weight and strong There are no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually Work with Nikon DSLR D4S D4 Df D3 D3X D3S D800 D700 D610 D600 D500 D300S DD300 D200 D100 D7100 D7000 D5200 D5100 D5300 D5000 D3300 D3200 D3100 D90 D80 etc.