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