Canon Speedlite 550EX

Overview

Speedlite 550EX is the main component of a flash system designed together with the DSLR cameras. It provides full compatibility with the new area AF technology employed by the DSLR cameras and refined E-TTL autoflash for improved performance. Other main features include a maximum Guide Number of 180 (ISO 100, ft.), an AF-assist beam which links to the DSLR  point area AF, FP Flash (high speed sync), FE lock (a flash version of AE lock), and FEB (Flash Exposure Bracketing). The Speedlite 550EX also incorporates a built-in wireless transmitter, which can control other Speedlite  units set up as slave units. Flash coverage is set automatically from 24mm to 105mm, and a wide-angle panel extends the coverage to 17mm. The new Speedlite runs on 4 AA-size batteries, and can also be used with optional external power supplies such as Compact Battery Pack E and Transistor Pack E. Recycling times are faster than those experienced with the Speedlite 540EZ. Speedlite 550EX is compatible with all EOS models.

Features

• High-output shoe-mount flash for EOS System (Maximum GN 55/180, ISO 100 m/ ft.).
• Autozoom coverage from 24-105mm with 17mm wide panel built-in.
• Compatible with all EOS cameras, but has special features when used with Canon DSLRs.
• Supports Wireless Flash with Canon DSLRs and Speedlite Transmitter ST-E2.
• Supports E-TTL, FEL and FP flash (High-Speed Sync) with selected Canon DSLR cameras.
• Flash exposure compensation, flash exposure confirmation, flash exposure bracketing, second-curtain sync, variable-power manual flash, stroboscopic flash and more.