The MR-14EX II Macro Ring Lite Flash from Canon is
designed for use with a Macro lens for close-up photography. With a
guide number 34' at ISO 100 per side, its twin tube design allows each
flash tube to fire independently, or simultaneously to provide a
combined guide number of 46' at ISO 100. White LED focusing lamps and
two types of modeling lights allow for accurate previewing of the
An illuminated dot-matrix LCD screen lets you
make adjustments to the flash in both bright- and low-light situations.
The MR-14EX II has 12 custom functions, and supports wireless E-TTL when
linked with one or more Speedlite 600EX-RT flashes.
The ring flash can be powered by 4x AA batteries or an optional CP-E4 battery pack.