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Canon Speedlite 550EX Flash

Canon Updated: 2007-07-24

Speedlite 550EX is the main component of a new flash system designed together with the EOS-3 SLR camera. It provides full compatibility with the new area AF technology employed by the EOS-3 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 EOS-3's 45-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 550EX 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 EOS-3.
• Supports Wireless Flash with EOS-3 and Speedlite Transmitter ST-E2.
• Supports E-TTL, FEL and FP flash (High-Speed Sync) with selected EOS cameras.
• Flash exposure compensation, flash exposure confirmation, flash exposure bracketing, second-curtain sync, variable-power manual flash, stroboscopic flash and more.

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