The Speedlite 90EX for Canon EOS M Camera from Canon is a featherweight (1.76 oz) shoe mount flash that's ideal for the Canon mirrorless EOS M digital camera. It has a guide number of 30' and provides coverage for lenses as wide as 24mm (35mm format equivalent). Many functions can be controlled effortlessly through the cameras menu system, such as the AF assist beam (used to ensure accurate AF in low light situations), Canons amazing E-TTL II flash metering, FE lock and flash exposure compensation.

See recent price change history for the Canon Speedlite 90EX.