T2 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. T2 for Sony A Mount, Compatible with Sony A99II, A99, A900, A850, A77 II, A77, A65, A58, A57, A55, A37, A35, A33, A700, A580, A560, A550, A450, A390, A380, A350, A330, A300, A290, A230, A200, A100 etc; T2-Sony E Mount, Compatible with Sony A9, A7S II, A7R II, A7S, A7R, A7 II, A7, NEX-7, NEX-6, NEX-5, NEX-5N, NEX-5R, NEX-5T, NEX-3, NEX-C3, NEX-F3, NEX-3N, A6500, A6300, A6000, A5100, A5000, A3000, QX1 etc. T2 for Nikon F Mount, Compatihle with Nikon D850, D810, D800, D750, D700, D610, D3100, D3200, D3300, D3400, D5100, D5200, D5300, D5500, D5600, D7000, D7100, D7200, D7500, D50, D60, D90 etc. T2 for Canon EF/EOS Mount, Compatible with Canon EOS Rebel T7, T7i, T6, T6i, T5, T5i, SL2, 80D, 77D, 700D, 70D, 60D, 50D, 5D, 6D, 7D, 600D, 550D, 200D, 150D, 100D, 1300D, 1400D, 1500D etc. Completely old school, convert to manual control, manual focus and manual exposure, used on Lightdow/Opteka 500mm, 420-800mm, 650-1300mm Telephoto Lens & Telescopes.Maximum Focal Length: 800 Millimeters. Camera Lens Description: 6. Compatible Mountings: Canon EF, Nikon F. Lens Type: Telephoto. Brand: Lightdow. Country of Origin: China. Manufacturer: ZLY Technology. Date First Available: June 1, 2018. Is Discontinued By Manufacturer: No. Best Sellers Rank: #33 in Camera Lens Adapters & Converters. Customer Reviews: 4.4 out of 5 stars 143 ratings 4.4 out of 5 stars. Item model number: LD-TT2. : B07DGR8HN3. Item Weight: 1.76 ounces. Product Dimensions: 0.47 x 2.36 x 2.36 inches.