The 90EX Speedlite is a lightweight, compact flash with slim, pocketable design that's ideal for use with the EOS M digital camera.

• Shoot superbly lit portraits as well as indoor and group shots with support for wide-angle lenses
• High power in a compact body. Maximum Guide Number of 9 (m, ISO 100)
• Explore creative lighting effects and control multiple flash units up to 23ft (7m) away using wireless master function
• Quick, discreet and fully automatic flash shooting with fast, silent, recycle times
• Easily powered by two readily available AAA/LR03 batteries (Ni-MH or lithium)

Compatible Cameras: Type-A EOS Cameras (E TTL II/E TTL Autoflash)

Guide Number: Approximately 30 ft./9m at ISO 100

Number of Flashes: Approx. more than 100 times

Recycling Time: Normal flash: Approx. 0.1 - 5.5 sec./ Lamp lights (with size-AAA/LR03 alkaline batteries)

Flash Range: Effective flash range (approx. ft/m) at ISO 100:

AF Assist Beam: System: Intermittent flash firing system
*The AF-assist beam does not emit light under the wireless flash control mode.
Effective Range (Approx.):
At Center: 9.2 ft. / 2.8m
Periphery: 8.2 ft. / 2.5 m

Custom Functions: C.Fn-01: Auto power off (ON/OFF)

Personal Functions: N/A

Power Source: Two AAA-size/LR03 alkaline (size AAA/LR6 Ni-MH or lithium batteries also possible)

Internal Sound Generator: N/A

External Power Source: N/A

Dimensions: Approx. 1.7" (W) x 2.0" (H) x 2.6" (D) / 44.2 (W) x 52.0 (H) x 65.0 (D) mm

Weight: Approx. 1.8 oz. / 50g