The Canon Speedlite 270EX II is a compact flash unit designed for Canon cameras. when used with select Canon EOS DSLR cameras that have a master function, the Speedlite 270EX II can be used as a wireless slave flash. The 270EX II can also be used with other compact digital camera models equipped with a dedicated flash shoe mount. The 270EX II's Tele/Wide function allows adjustment of illumination angle and guide number to match shooting conditions. Manual power adjustment from 1/1 to 1/64 is also available and it comes with a soft case for storage.
Flash coverage can be switched between Normal (28mm full-frame equivalent, max. Guide No. 72 ft./22m at ISO 100) and Tele (50mm full-frame equivalent, max. Guide No. 89 ft./27m at ISO 100).
Slave function allows the flash to be triggered wirelessly when used with an Canon EOS DSLR with a master function.
Flash release function triggers the camera wirelessly from the flash on a 2-second delay, allowing the flash to be repositioned to illuminate the subject.
AF Assist Beam--Intermittent flash firing system Effective range: At center: Approx. 13.1 ft./4m; Periphery: Approx. 11.5 ft./3.5m (in total darkness) Compatible with model EOS 5D Mark II and later. Available via firmware update for: EOS-1Ds Mark III, EOS-1D Mark III, EOS 40D, EOS 50D, and EOS Rebel XS. Bounce: Up: 60°, 75°, 90° Custom Functions: 1) C.Fn-01: Auto power off (Enabled/Disabled); 2) C.Fn-06: Quick flash w/continuous shot (Disabled/Enabled); 3) C.Fn-10: Slave auto power off timer (60 minutes/10 minutes); 4) C.Fn-11: Slave auto power off cancel (Within 8 hours/within 1 hour) Transmission Range: Reception of all channels via light pulse signal reception on the master unit Reception Angle: ±45° horizontally and ±25° vertically, facing the transmitter on the master unit