Ideal for use with the EOS M, the compact and lightweight flash unit, the Speedlite 90EX, is designed for the photographer on the go. The Speedlite 90EX is capable of coverage for 24mm wide angle lenses (35mm equivalent) with maximum guide numbers of 30 feet (9 meters) at ISO 100. The flash unit can be controlled wirelessly for creative multiple flash shoots and uses the standard Canon EOS hot shoe mount for compatibility with all EOS DSLR cameras and PowerShot digital cameras that include a hot shoe. The Perfect Complement to the EOS M Digital CameraUltra-compact and Ultra-lightweight flash unit, perfect for the Canon EOS M Digital Camera Whether mounted on top of the Canon EOS M Digital Camera or stowed in a pocket, the diminutive yet powerful Speedlite 90EX is 1.7" (w) x 2.0" (h) x 2.6" (d) and a featherweight at 1.8 oz. It runs on 2 AAA batteries, recycling quickly between exposures. To save power, it automatically turns off after 5 minutes of idle operation. Easy and intuitive operation Designed for intuitive operation and as a perfect match for the EOS M Digital Camera, the Speedlite 90EX offers a number of sophisticated flash functions that are remarkably easy to use, even for beginners to the EOS line of accessories. Many functions can be controlled effortlessly through the camera's menu system, such as the AF assist beam (used to ensure accurate AF in low light situations), Canon's amazing E-TTL II flash metering, FE lock and flash exposure compensation. Even color temperature information can be transmitted back to the camera with a simple touch, so users will achieve great results. Complex Lighting Setups, Wirelessly And Easily Wireless master function (optical) allows multiple flash units to be controlled for creative lighting effects For a number of advanced lighting setups, the Speedlite 90EX can be used as a master transmitter to control multiple flash units-wirelessly! Through 4 channel optical light pulse transmission, the Speedlite 90EX can control up to three groups of slave-enabled flashes, controlling power from 8:1 to 1:8 in 1/2 stop increments. It can transmit up to approximately 16.4 ft. indoors, up to 23 ft. outdoors. With the Speedlite 90EX controlling each light source according to the specific parameters of a shot, the creative possibilities are endless! Ample Coverage For A Wide Variety Of Lenses And Shots Supports 24mm wide-angle lenses (35mm equivalent) With wide-angle coverage up to 15mm (24mm in 35mm terms) the Speedlite 90EX is designed to work perfectly with a number of popular wide-angle zoom and fixed length lenses. So whether going wide angle for an interior shot, or making sure to capture an entire group, the Speedlite 90EX provides the coverage. Extensive Range, Small Footprint Max Guide No. 30 ft./9m at ISO 100 The Speedlite 90EX offers stronger flash performance than one might expect from its compact size. It has a maximum Guide No. 30 ft./9m at ISO 100, delivering ample power for everything from fill flash to serving as the main light source. EOS System Ready Standard Canon EOS hot shoe mount for compatibility with all EOS SLRs With a standard quick-release mounting foot, the Speedlite 90EX is not only the EOS M Digital Camera's perfect companion, it's also compatible with SLRs in the EOS system. In addition, the Speedlite 90EX is compatible with Canon's camera shoe cord OC-E3 for simple, off camera shooting.

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