Features: Achieve infinity focus and manual control with the T2 adapter ring for EOS-RF and other compatible cameras. Made of durable metal alloy, this adapter ring allows you to manually adjust lens focus and aperture for optimal results. Designed for use with EOS-RF, R, RP, R5, R6, Z5, Z6, Z7, Z9, Z30, and other R-mount and Z-mount mirrorless cameras, as well as T-mount lenses including telephoto, super telephoto, mirror, and telescope lenses. Supports manual focusing, manual aperture control, and infinity focusing. The T2 port consists of inner and outer rings that rotate relative to each other, allowing precise alignment between lens and camera body. M42 and T/T2 ports are not interchangeable and require appropriate adapter rings for compatibility. Specifications: Item: T2 Metal Telescope Adapter Ring Model: T2 to EOS RF / T2 to Z-mount Compatibility: Suitable for EOS RF, RP, R5, R6, and other R-mount mirrorless cameras; also compatible with Z5, Z6, Z7, Z9, Z30, and other Z-mount mirrorless cameras Material: Metal Alloy Features: Manual focusing, manual aperture control, infinity focusing Package Includes: 1 x Telescope Adapter Ring Note: Due to lighting effects and shooting angles, slight variations in product appearance may occur. A 01 cm measurement tolerance may exist due to manual measurement.