This Adapter Ring without electronic contacts, which don't support auto-focus or aperture control. Require manual operation. Solid Metal construction, Completely manual control, manual focus and manual exposure. | Can be used on JINTU / Opteka of 500mm, 420-800mm, 900mm, 650-1300mm telephoto lenses etc. | T2-EOS adapter for Canon EF/EOS Mount, Compatible with Canon EOS Rebel T1i, T2i, T3, T3i, T4, T4i T5, T5i, T6, T6i, T6s, XS, XSI T7, T7i, T7s 1D, 5D, 5D II, 5D III, 5D IV 6D, 6D II, 7D, 7D II, 30D, 40D, 50D, 60D, 70D, 80D, 90D, 4000D, 1200D , 1300D, 200D, 250D Digital SLR Cameras. | T2-AI for Nikon F Mount, Compatible with Nikon D5000, D5100, D5200, D5300, D5500, D5600, D7000, D7100, D7200, D7500, D70, D80, D3000, D3100,D3200, D3300, D3400, D90,D100, D200,D300, D300S D500, D600, D610, D700, D750 D800, D810A, D810, D850 Digital SLR Cameras | T2 M4/3 adapter fit for Olympus/Panasonic Micro 4/3 Mount ,Compatible with Micro 4/3 Mount Camera: Panasonic Lumix DMC-GH5, DMC-GH4, DMC-GM1, DMC-GX7,DMC-G6, DMC-GF6, DMC-GH3, DMC-G5, DMC-GF5, DMC-GX1, DMC-GF3, DMC-G3, DMC-GF2, DMC-GH2, DMC-G2, DMC-G10; Olympus: OM-D E-M10, OM-D E-M1, PEN E-P5, PEN E-PL5, PEN E-PM2, OM-D E-M5, PEN E-P3, PEN E-PL3, PEN E-PM1, PEN E-PL2, PEN E-PL1s, PEN E-PL3, PEN E-PM1, PEN E-PL2, PEN E-PL1s, PEN E-PL1, PEN E-P2