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Canon Speedlite 550EX

Canon Speedlite 550EX
Canon Speedlite 550EX
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  • Wireless Autoflash with Automatic Ratio Control for up to 2 slave groups and 1 group for flash exposure compensa
  • Fully swivelling bounce and zoom head covers a range of 17mm-105mm
  • Guide number of 55 at 105mm setting and 15 at ultra-wide 17mm setting (ISO 100, metres)
Canon Speedlite 550EX
Canon Speedlite 550EX

Overview

  • Wireless Autoflash with Automatic Ratio Control for up to 2 slave groups and 1 group for flash exposure compensation
  • Stroboscopic Flash up to 100 consecutive bursts at 1 to 199 flashes per second (Hz)
  • Bounce flash with tilt from -7 to + 90 degrees and swivel up to 270 degrees
  • Variable manual flash output from 1/1 (full) to 1/128 (8 stops)

High power professional speedlite

The most versatile among the line-up, Speedlite 550 EX meets strict professional specifications for both professional and advanced amateur users of EOS series cameras.

Professional features

- High power flash output with maximum guide number of 55 at 105mm setting and 15 at ultra-wide 17mm setting (ISO 100, metres) to illuminate any subject
- E-TTL flash metering with preflash that balances flash with ambient light for natural looking photos
- Advanced options including High-speed (FP) sync mode, Flash Exposure Bracketing (FEB) and Flash Exposure (FE) Lock with EOS-1V, EOS 3, EOS 30/33, EOS D30, EOS D60 and EOS-1D
- Built in transmitter and receiver offering fully wireless flash capability with multiple Speedlites that supports E-TTL metering, FP flash sync, FE Lock and FEB with EOS-1V, EOS 3, EOS 30/33, EOS D30, EOS D60 and EOS-1D
- Manual flash level (1/1 - 1/128) and Consecutive firing at 41 level from 1 Hz to 199 Hz
- Built in modelling light for professionally light studio and portrait photographs

Advanced design

- Built in AF-assist beam linking multi-point AF of EOS-1V, EOS 3, EOS 30/33, EOS D30, EOS D60 and EOS-1D
- Fully swivelling bounce and zoom head covers a range of 17mm-105mm
- Powered by four AA-size batteries (alkaline, lithium, Ni-Cd or Ni-MH

Reviews

Specifications

Specifications / Operation
Guide Number: 

138' (42 m) at 50mm 180' (55 m) at 105mm

AF assist : 
Linked to area AF (45 focusing points), effective from approx. 0.6 to 10 meters / 2 to 33 feet at the center and 0.6 to 5 meters / 2 to 16 feet along the periphery (in total darkness).
Exposure Control Modes: 

E-TTL autoflash (with Type-A cameras) TTL autoflash (with Type-B cameras)

Flash Modes: 

Normal flash; Quick flash;
High-speed sync (FP flash);
Stroboscopic flash: 41 flash frequency settings, 31 firing settings;
Preflash: Obtains exposure reading for E-TTL autoflash control;
Test flash: With test firing button;
Modeling flash: Fired with the EOS-3's depth-of-field preview button

Flash Range: 
With 50mm f/1.4 lens (at ISO 100): Normal flash: 0.5-30 meters/ 1.6- 100 feet. Quick flash: Min. 0.5 - 7.5 meters and max. 0.5 - 21 meters/: Min. 1.6 - 25 feet and max. 1.6 - 70 feet. High- speed sync: 0.5 - 15 meters/ 1.6 - 49 feet (at 1/250 sec.)
Shutter Curtain Synchronisation: 
First or second curtain synchronisation
Custom Functions: 
FEB cancellation after completion, FEB sequence Flash metering system Slave unit SE mode activation Slave unit SE mode cancellation Modeling flash
Bounce Function : 

tilt from -7 to + 90 degrees and swivel up to 270 degrees

Lens Coverage: 

17mm-105mm

Power / Performance
Power Sources: 

Internal Power Source
Size-AA alkaline LR6 batteries (6 V) x 4; Size-AA Nicad KR 15/51 batteries x 4 Size-AA Lithium FR6 batteries (6 V) x 4

External Power Source
Compact Battery Pack CP-E2 Size-AA alkaline LR6 (AM-3) batteries (9 V) x 6; Transistor Pack E Battery Magazine TP with size-C alkaline LR14 (AM-2) batteries (9 V) x 6 Ni-Cd Pack TP (NR-SC Ni- Cd batteries x 6 in sealed pack)

Flash Recycling Time: 

Quick Flash 0.1 - 4s
Normal Flash 0.1 - 8s
with internal only 4 x AA Alkaline

Number of Flashes: 

100 - 700 with 4 x AA Alkaline

Dimensions
Width: 
80mm
Height: 
138mm
Depth: 
112mm
Weight: 
405g

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