The T mount adapter allows you to attach for Canon EOS DSLR/SLR camera to lenses, telescopes, microscopes, enlargers, and attachments that have a T2 universal thread mount. This adapter will work with any for Canon EOS camera body. Features:All being made of aluminum alloy (no plastic)It allows to keep the infinity focusPlease install/uninstall the adapter after turning off the camera.Automatic focusing is unavailableM42*0.75 thread for matching. Specification:Condition: 100% NewColor: blackMaterial: aluminum alloyFit for all T/T2 mounting devices, such as microscope, telescope, T mount lenses.Fit for mount for Canon EOS DSLR(for CanonEOS 1D, 1Ds Mark II III, 5D, 5D Mark II, 5D Mark III, 5D, 5DR, 6D, 7D, 7DII, 10D, 20D, 30D, 40D, 50D, 60D, 70D, 77D, 80D, Rebel t1i, xt, xti, xs, xsi, 300D, 350D, 400D, 450D, 500D, 600D, 650D, 700D, 750D, 760D, 800D, 1000D, 1100D, 1200D, 1300D)Thread: M42x0.75mmDimension: Approx. 63mm x 15mm / 2.5 x 0.6inWeight: Approx. 52g Settings:Put the adapter and the red mark of the lens ring together.Turn the adapter counterclockwise until the fixed point.It will use either manual or AV mode. Package List:1 * Lens mount adapter(camera and other devices are not included) Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. [T2 Lens Adapter for Canon]: This T-ring adapter suits for Canon EOS EF Digital camera; For more compatible model details, please refer to below [M42 Lens]: T2 mount lens adapter is compatible for M42 lenses (42x0.75mm thread screw); For DSLR Rebel XSi T1i 650D 60D 550D M42 Thread [Manual Control]: This T2 lens ring adapter mount support mechanical connection manual focus ONLY; Suggest you to choose Manual / AV modes [Premium Material]: The T mount lens adapter is made of premium aluminum alloy and plastic; Lightweight, durable & longlasting [Friendly Service]: Sellers are right here 24/7 when you need any help with our T-ring adapter; Remember that we are just a mail away [T2 Lens Adapter for Canon]: This T-ring adapter suits for Canon EOS EF Digital camera; For more compatible model details, please refer to below [M42 Lens]: T2 mount lens adapter is compatible for M42 lenses (42x0.75mm thread screw); For DSLR Rebel XSi T1i 650D 60D 550D M42 Thread [Manual Control]: This T2 lens ring adapter mount support mechanical connection manual focus ONLY; Suggest you to choose Manual / AV modes [Premium Material]: The T mount lens adapter is made of premium aluminum alloy and plastic; Lightweight, durable & longlasting [Friendly Service]: Sellers are right here 24/7 when you need any help with our T-ring adapter; Remember that we are just a mail away