The Canon Macro Ring Lite MR-14EX is for macro shooting and is loaded with features and capabilities. With Canon's E-TTL, it takes full advantage of the flash performance of the EOS-1V, EOS-3, and other E-TTL supported cameras. Twin circular flash tubes fire at even power, or can be varied over a six-stop range. One or more 580EX, 550EX, 430EX, or 420EX Speedlites can be used as wireless slaves along with the MR-14EX. The controller unit has an illuminated, informative LCD panel. Accepts optional hi-capacity battery packs.
| Type | Flash |
| Mount | Shoe |
| Guide No. | 46' (14.02 m) ISO100 at 50 mm position |
| Effective Range | 16.4' / 5.00 m |
| Modeling Light | No |
| Angle of Coverage | 80° |
| Vari-Power | 1/1 - 1/64 |
| TTL Dedication | Yes |
| Recycle Time | Approximately 4 - 7 seconds |
| Flash-ready Indicator | Yes |
| Power Source | 4x AA Alkaline Batteries |
| Ring Dimensions (WxHxD) | 4.4 x 5.0 x 1.0" / 11.2 x 12.7 x 2.5 cm |
| Power Unit Dimensions (WxHxD) | 2.9 x 5.0 x 3.8" / 7.4 x 12.7 x 9.7 cm |
| Weight | 14.25 oz / 404 g |