Canon SPEEDLITE EL-1 Advanced User's Manual page 227

Normal flash
Flash duration
Color temperature
information Supported
transmission
Color filter A hard-type color filter (two types) is supported.
Exposure control
Flash modes and available functions
Flash modes
(Exposure control
modes)
Manual external flash metering
Continuous shooting priority mode
* 1: Set automatically when the camera shooting mode is set to Basic Zone modes
* 2: Only Group firing is available
* 3: Can only be set when the Speedlite is used as a sender in radio transmission wireless operation
* 4: Only groups set to E-TTL II / E-TTL autoflash
Dim interlocking range under the following conditions
• Sensor size: 35mm full-frame
• Flash coverage: 50 mm
• Aperture value: f/1.4
• ISO 100
• Light distribution: Standard
Effective flash
range
Flash output Flash duration (Approx., sec.)
1/1
1/2
1/4
1/8
1/16
1/32
1/64
Flash mode
1
E-TTL II / E-TTL autoflash *
Manual flash
Stroboscopic flash
Auto external flash metering
3
Group firing *
Firing conditions
Normal flash
(Flash-ready lamp: lit)
Quick flash
(Flash-ready lamp: blinking)
High-speed sync
(Shutter speed: 1/250)
Flash output
1/960
1/1200
1/2600
1/4790
1/8510
1/14750
1/26790
Flash
exposure FEB
compensation
○ ○
○ ○
○ ○
○ ○
Effective flash range (approx.)
227
Flash duration (Approx., sec.)
1/128 1/37020
1/256 1/46840
1/512 1/57000
1/1024 1/80300
1/2048 1/82670
1/4096 1/91520
1/8192 1/107800
Wireless
FE lock
Radio
transmission
○ ○
○
○
2
○ *
○
4
○ * ○
0.5 - 26.1 m
1.6 - 85.6 ft.
0.5 - 16.0 m
1.6 - 52.5 ft.
0.5 - 13.8 m
1.6 - 45.3 ft.
Optical
transmission
○
○
○