Macro Ring Lite MR-14EX II Speedlite Flash.
The MR-14EX II Macro Ring Light from Canon is designed for use with a Macro lens for close-up photography. With a guide number 34.4' 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 45.9' at ISO 100. White LED focusing lamps and two types of modeling lights allow for accurate previewing of the light's effect.
Highlights:
Guide No. 45.9' / 34.4' at ISO 100
Twin-Tube Design
LED Focusing Lamps
E-TTL Support
12 Custom Functions
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 light can be powered by 4x AA batteries or an optional CP-E4 battery pack.