Canon Speedlite 90EX Flash Compared to the Canon Speedlite Transmitter ST-E2

SpecificationsCanon Speedlite 90EX FlashCanon Speedlite Transmitter ST-E2
  Canon Speedlite 90EX Flash Canon Speedlite Transmitter ST-E2
Power: Guide No (ISO 100) 30' / 9m (at 24mm)
 
Angle of Flash Coverage  
Auto
Manual 24mm
With Diffuser
 
AF Assist Beam  
AF Assist Beam Type Intermittent flash firing Near-infrared light pattern projection
AF Assist Beam Points 1 to 45
AF Assist Beam Min Focal Length 24mm (APS-C 15mm) 28mm (APS-C 18mm)
AF Assist Beam Range – Center 9.2' (2.8m) 2.0-33' (0.6-10m)
AF Assist Beam Range – Periphery 8.2 (2.5m) 2.0-16' (0.6-5m)
 
Flash Exposure Modes  
Auto Exposure Standards Supported E-TTL II/E-TTL E-TTL II/E-TTL
External Auto Flash Exposure Sensor N N
Manual Flash Exposure N N
 
Features Controllable from Flash  
High Speed Sync N Y
Flash Exposure Lock (FEL) Y
Flash Exposure Compensation (FEC) N
Flash Exposure Bracketing (FEB) N
Second Curtain Flash Sync N
Modelling Flash N
Color Temperature Info Communication Y N
Supports Flash Settings by Camera Menu
(Enables many options not available directly on the flash)
Y N
Custom Functions 1 0
Personal Functions
 
Wireless Flash Capabilities  
Wireless Flash Transmitter Capability Y Y
Wireless Transmission Type Optical Optical
Transmitter Max Range – Indoors 23.0' (7m) 39.4-49.2' (12-15m)
Transmitter Max Range – Outdoors 16.4' (5m) 26.2-39.4' (8-10m)
Wireless Flash Slave Capability
Wireless Flash Groups 3 2
Wireless Flash Channels 4 4
Remote Shutter Release Capability N N
 
Flash Head Movement Range  
Flash Head Movement Up Fixed Fixed
Flash Head Movement Down
Flash Head Movement Left
Flash Head Movement Right
 
Flash Features  
Dust and Water Resistance N N
PC Terminal N N
 
Power Source  
Power Source 2x AAA 1x 2CR5
Number of Flashes (approx)
Recycling Time – NiMH (approx)
Recycling Time – Alkaline (approx) 0.1 - 5.5 sec.
External Power Source
 
Size  
Size (WxHxD) 1.7 x 2.0 x 2.6"
(44.2 x 52.0 x 65.0mm)
2.4 x 2.0 x 3.1"
(62 x 51 x 80mm)
Weight 1.8 oz (50g) 3.5 oz (100g)
 
Accessories  
Compatible Accessories Off-camera shoe cord OC-E3
EX Series Speedlite with Optical Slave function
Off-camera shoe cord OC-E3
EX Series Speedlite with Optical Slave function
Dedicated Flash Bracket
 
Compatible Cameras All Canon EOS cameras
PowerShot G series cameras
All Canon EOS cameras
PowerShot G series cameras
Review Canon Speedlite 90EX Flash Canon Speedlite Transmitter ST-E2
 
  Buy Now  ►  Find the Canon Speedlite 90EX Flash on eBay.com Buy Now  ►  Find the Canon Speedlite Transmitter ST-E2 on eBay.com
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