Description: 【Wide Compatibility with Mount L Cameras】: Camera extension tube adapter ring is compatible popular Mount L cameras 【Transform Your Lens into a Camera Lens】: This automatic camera extension tube allows you to convert your existing lens into a camera lens by increasing the distance between the camera and the lens, effectively shortening the focusing distance and your subject 【Versatile Extension Tubes】: The kit includes 12mm and 24mm extension tubes that can be used individually or stacked together for greater control over reducing the minimum focusing distance of your lens, without compromising image quality 【Maintain Full Functionality】: Enjoy seamless electronic communication between your camera body and lens, preserving autofocus, auto exposure features, and image stabilization when using compatible lenses and cameras 【Aluminum Alloy Construction】: Auto focus extension tube adapter ring made of quality aluminum alloy material, not easy to break and can be used for a long time Specification: Material: Aluminum Alloy Product Size: 6.5 cmx6.5 cmx5.5 cm/2.56 inchx2.56 inchx2.17 inch Package Includes: 1 Camera Extension Tube Adapter Ring Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.