Canon - Speedlite Flash for Canon EOS Cameras

Compatible with all Canon EOS cameras, with varying levels of feature access; full feature compatibility with EOS-3 only; E-TTL auto flash available with Type A EOS models, TTL auto flash with Type B

Flash automatically switches between E-TTL (evaluative through-the-lens) and TTL for Types A and B to maximize the functionality of each EOS camera

7 flash modes — normal, quick, high-speed sync (FP flash), stroboscopic (41 frequency and 31 firing settings), preflash (exposure reading for E-TTL control), test (with test firing button) and modeling (on EOS-3 with depth-of-field preview button)

E-TTL and TTL and exposure control flash metering; 3 E-TTL metering modes allow instant, instant partial and instant spot metering, all using a preflash

Flash exposure compensation, manually adjustable +/-3 stops in 1/3- or 1/2-stop increments, set by the 550EX or a camera equipped with exposure compensation functionality; flash exposure bracketing set by the 550EX; auto fill flash output reduction

Auto zoom head provides coverage for focal lengths from 24-105mm; manual flash zoom and built-in 17mm wide-angle panel

Flexible bounce flash positioning — 90° up (3 click stops), 7° down (1 stop), 180° left (6 stops) and 90° right (3 stops)

Flash range (50mm f/1.4 lens, ISO 100) — normal flash: 1.6' - 100'; quick flash: 1.6' - 25' min., 1.6' - 70' max.; high-speed sync flash: 1.6' - 49' (at 1/250 sec.)

Built-in wireless auto flash system, with master and slave unit modes, and full support for E-TTL metering and other functions (full functionality with EOS-3 only; Speedlite Transmitter ST-E2 required)

High-output, direct-sync shoe mount

Requires 4 AA batteries

From our expanded online assortment; not available in Best Buy retail stores