Andoer T2/T Telephoto Mirror Lens Adapter Ring for Canon EOS Cameras Easy and smooth to install, remove and operate lens. Made of high-quality material, durable for long time use. Completely manual control, manual focus and manual exposure. With a hex key to help tighten or loosen screw. There is no electrical connection on ring so diaphragm control of lens is set manually. It can focus to infinity. This mount adapter is for cameras to attach T2/T mount lens. Note: Please make sure that adapter ring fit for your camera before you bid this item. Specifications: Compatible Camera: for cameras Color: Black Package Weight: Approx.55g / 1.9oz Compatible Lens: for T2/T mount lens Package Size: Approx.7 * 7 * 1.5cm / 2.7 * 2.7 * 0.6in Material: Metal This mount adapter is for cameras to attach T2/T mount lens. Package List: 1 * Hex Key 1 * Adapter Ring With a mini hex key to help tighten or loosen the screw. Made of high-quality material, durable for long time use. Completely manual control, manual focus and manual exposure. There is no electrical connection on the ring so diaphragm control of the lens is set manually. Easy and smooth to install, remove and operate lens. It can focus to infinity. With a mini hex key to help tighten or loosen the screw.