| Type |
Mode: E-TTL II, E-TTL, TTL |
| Compatible Cameras |
All Canon EOS cameras; PowerShot Pro1, G6, G5, G3 andG2 |
| Guide Number |
141 ft./43m (at ISO 100); flash head at 105mm zoomsetting |
| Flash Coverage |
Fixed condenser lens with inner zoom: (1) Auto Zoom, (2)Manual Zoom, (3) Wide Panel |
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Zoom positions: 24mm, 28mm, 35mm, 50mm, 70mm, 80mm,105mm; Indicated by numerals on the LCD\'s focal length display |
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Image Size Zoom Control: With cameras compatible withauto zoom, it zooms automatically to match the camera\'s image size |
| Number of Flashes |
Approx. 200 to 1,400, with AA-size Alkaline Batteriesmanufactured within the last three months or AA-size Ni-MH fully chargedbatteries. |
| Recycling Time |
Approx. 0.1 to 3.7 seconds (AA-size AlkalineBatteries)/0.1 to 2 seconds (AA-size Ni-MH batteries) |
| Flash Range |
At ISO 100, with EF 50mm f/1.4 |
| |
For normal flash: Approx. 2.3-79.7ft./0.7-24.3m |
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For high sync speed (EF flash): Approx. 2.3-39.4ft./0.7-12m |
| AF Assist Beam |
Built-in; covers all focus points in EOS cameras up to 9AF points |
| |
Effective range: |
| |
At center: Approx. 2.3-32.8 ft./0.7-10m |
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Periphery: Approx. 2.3-16.4 ft./0.7-5m (in totaldarkness) |
| Custom Functions |
Six user-selectable Custom Functions built-in; set onSpeedlite\'s LCD panel |
| General |
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| Power Source |
Four AA-size Alkaline Batteries (6V) |
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Four AA-size Ni-MH (4.8V) |
| Dimensions |
2.8 x 4.8 x 4.0 in./72 x 122 x 101mm |
| Weight |
11.6 oz./330g (without batteries) |