"Power, Versatility and Economy Superior power and versatility for a great price. The Yi 4K camera's small size, light weight and astonishing shooting options make it a pocket sized powerhouse. Modify it with their interchangeable lens kit and it becomes extraordinary! It features native M12 (S-Mount) and C-Mount compatibility as well as compatibility with some CS-Mount lenses(CS-Mount lens compatibility is limited to varifocal lenses. Varifocal lenses may not have full zoom range. M12 to CS adapters and Entaniya lenses have full functionality). Out of the box compatibility with M12(S-Mount) and C-Mount lenses and accessories Full 4K/30, 2.7K/60! Image Stabilization Super-fast Wi-Fi Compatible with most Yi mounts and accessories Built in high-res touch screen display SD A/V out via micro USB port Built in tripod mount Reversable and removable M12 mount for maximum lens compatibility Removable IR-Cut Filter Custom Back-Bone GOcase included! Easily removable mounting rings allow access to the image sensor for cleaning Almost any popular lens type can be attached with optional adapters including Canon, Nikon, Pentax and more! Take advantage of what professional lenses have to offer: manual focus control, a more cinematic depth of field, macro shooting, optical zoom and iris control. There's a built in tripod mount so you can connect your camera to professional mounts and s"