Compatible Cameras Type-A EOS cameras (E-TTL II/E-TTL autoflash)
Guide Number Supports a shooting angle of view with a lens focal length of 24-105mm.
The maximum Guide No. is approximately 141.1 ft./43m at ISO 100 and 105mm flash coverage.
When the extendable wide panel is pulled out, the flash coverage is 14mm.
Number of Flashes Approx. 180-1200 flashes (with size-AA/LR6 alkaline batteries)
Recycling Time Normal flash: Approx. 0.1-3.5 sec.
Quick flash: Approx. 0.1-2.5 sec.
With size-AA/LR6 alkaline batteries
Flash-ready state indicated by lights (red for normal flash, green for quick flash)
Flash Range Effective flash range with EF 50mm f/1.4 lens at ISO 100
Approx. 2.3-77.4 ft./0.7-23.6m
Quick Flash (at Guide No. 62.7 ft./19.1m):
Approx. 2.3-44.6 ft./0.7-13.6m
High-speed Sync (at 1/250 sec. shutter speed):
Approx. 2.3-42.0 ft./0.7-12.8m
AF Assist Beam Emission method switchable in Personal Functions between Intermittent flashes and Infrared AF-assist beam.
Emitting small series of flashes is supported during viewfinder shooting, and Quick mode during Live View shooting or movie shooting.
Effective Range (Approx.):
At Center: 2.3-13.1 ft./0.7-4.0m
Periphery: 2.3-11.5 ft./0.7-3.5m
Custom Functions 10 Functions
Personal Functions 8 Functions
Power Source Four AA-size/LR6 alkaline or AA/HR6 Ni-MH batteries
Internal Sound Generator N/A
External Power Source N/A
Dimensions Approx. 2.78 x 4.48 x 3.87 in./70.5 x 113.8 x 98.2mm
Weight Approx. 10.41 oz. / 295g