Specifications - Canon Speedlite 90EX Instruction Manual

Specifications

 Type
Type ................................................. On-camera autoflash Speedlite
Compatible cameras ........................ E-TTL II/E-TTL autoflash EOS camera
Guide No .......................................... 9/30 (ISO 100 in meters/feet)
Flash coverage ................................ Matches a EF 24mm (EF-M/EF-S: 15mm) wide angle
Color temperature information
transmission ..................................... Flash color temperature information transmitted to
 Exposure Control
Exposure control system.................. E-TTL II/E-TTL autoflash, manual flash
Effective flash range........................... 1 - 4.5 m / 3.3 - 14.6 ft.
Functions supported by camera
operations ........................................ Flash exposure compensation, 1st/2nd curtain sync, FE
30
lens
camera when flash is fired
(With EF-M22mm f/2.0 lens at ISO 100)
lock, manual flash