e-TTL Macro Ringflash for Canon EOS XS XSi XTi T1i T2i

New e-TTL MACRO RING FLASH fully dedicated for your Canon EOS camera. Ideal for close up macro work for the scientist, forensic specialist, medical or dental fields, investigative professional and hobbyist Features the latest E-TTL II exposure technology in a lightweight, easy to use format. Powered by 4 'AA' alkaline or NiMh batteries. Outputs a Guide Number (GN) of 46 with an automatic TTL range of up to 23 feet. Provides approximately 200 flashes on a set of batteries. Extremely simple interface with no hidden menus of features. This provides even, shadow-less lighting for small subjects and close portraits. Will mount on any lens (Canon or other brand) with the following filter thread sizes (includes all adapters listed) 52mm, 55mm, 58mm, 62mm, 67mm.