For Nikon Only, 3 Modes: Light mode (continuous LED light), Flash mode (left or left light), Flash mode (left lighting); High quality LED flash technology that is close to natural light. RING48 is a Macro Ring Light for DLSR Cameras that place 48 LEDs in a ring around the camera lens. Can be used for shooting distance from 3cm-100cm. Unlike strobe luminescence, it is a steady light, so you can take pictures as you see it. A total of 7 adapters for attaching RING to the camera lens are included for 52,55,58,62,67,72,77mm to fit various types of cameras.