The YN-E3-RT Wireless Speedlite Transmitter for Canon from YongNuo is a 16 channel, 5 group wireless triggering device. The transmitter offers E-TTL II/E-TTL autoflash, manual flash, stroboscopic flash, auto external flash metering modes as well as 1:8 flash ratio control
Convenience features include flash exposure lock, AF beam focus assist, modeling strobe and 9 custom functions. The YN-E3-RT transmitter will run for 10 hours of continuous use on AA/LR6 alkaline batteries. A power saving function shuts the unit down after being idle for 5 minutes to conserve batteries.
Frequency |
2405-2475 MHz (FCC/IC) Wireless radio ID: 0000-9999 |
Channels |
15 standard channels 5 groups (A/B/C/D/E), up to 15 units |
Antenna |
Internal |
Modulation System |
Primary modulation: OQPSK, secondary modulation: DS-SS |
Display |
High-res dot-matrix LCD, backlight for LCD keys |
Range |
328' (100 m) |
Max Sync Speed |
Not specified by manufacturer Supports 1st and 2nd curtain in M mode |
Modes |
E-TTL II/E-TTL autoflash, manual flash, stroboscopic flash, auto external flash metering (in flash mode) |
Flash Control |
Flash ratio control: 1:8 in 1/2-stop increments Flash exposure compensation: +3 to -3 in 1/3 stop increments Manual: 1/1 to 1/128 power (1/3-stop increments), 1st and 2nd curtain Stoboscopic flash: 1 - 500 Hz Flash exposure lock |
Confirmation LEDs |
Yes |
Modeling Flash |
Yes |
AF Assist beam |
Yes |
Power Supply |
2x AA/LR6 alkaline batteries, NiMH batteries (not included) |
Battery Life |
Power saving: powers off after 5 min. without use Up to 10 continuous hours with AA/LR6 batteries |