Macro LED Ring Flash & Light Includes 4 Diffusers (Clear, Warming, Blue, White) For The Sony Alpha SLT-A33, SLT-A35, SLT-A37, SLT-A55, SLT-A57, SLT-A58, SLT-A65, SLT-A77, SLT-A99, A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A560, A550, A700, A850, A900, A3000, A7, A7R, DSC-RX1, RX10, RX1R Digital SLR Cameras (Will Fit 49,52,55,58,62,67,72,77mm Lenses) A Ring Light is the best source for close up photography. And that makes the macro LED ring flash the perfect choice for photographers who require shadow free illumination - perfect for medical scientific and forensic photography. great for dental photos, insects, flowers, coins, stamps, etc. You can control the output level of the LEDs and select all or half of them to fire - 48 LEDs for full lighting , 24 LEDs to create purposeful shadows on three dimensional subjects. You will also be able to change from flash firing mode to constant on. Constant on will let the camera decide which exposure is best and provide continuous light when using video cameras or the HD video mode in compatible digital cameras. Adding to the versatility of this macro flash unit are four light softening diffuser - translucent, warming, white, blue. It has a power saving LCD screen for longer use. The LED Macro Ringlight is perfect for all the close-up photographic needs you will ever have. Includes 8 ring mounts (49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) for different lenses