Specifications
Electronic construction |
Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry |
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Guide number (20°C/68°F) |
18/59 (ISO 100, m/ft) |
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Angle of coverage |
Covers angle of view of 27 mm lens (FX format) or 18 mm lens (DX format) |
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Effective flash range (i-TTL) |
0.6 m to 20 m (2 ft to 66 ft); varies with ISO sensitivity, bounce angle, and aperture |
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Options available using camera controls |
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Bounce angle |
Flash rotates vertically up to 120° with stops where the flash is pointing directly ahead and at 60°, 75°, 90°, and 120° |
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Device on/off |
Power switch used to turn SB-300 on and off |
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Power source |
Two AAA alkaline or NiMH batteries |
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Flash-ready light |
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Flash duration |
Lights for about 1/1650 s when fired at full power |
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Batter endurance and flash recycling time*1 |
Battery type |
Minimum recycling time*2 |
Endurance*3/recycling time*2 |
Alkaline |
Approx. 4.0 s |
70 or more uses/4.0-30 s |
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NiMH |
Approx. 3.5 s |
110 or more uses/3.5-30 s |
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Mounting foot lock lever |
Locking pin prevents accidental detachment |
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Other options |
Thermal cut-out, firmware update*4 |
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Dimensions (W x H x D) |
Approx. 57.4 x 65.4 x 62.3 mm (2.3 x 2.6 x 2.5 in.) |
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Weight |
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Supplied accessories |
Soft Case SS-DC1 |
- *1Figures are for fresh batteries; actual results may vary with performance and other factors even among batteries of identical ages and makes.
- *2Time between flash firing at full power and flash-ready light illuminating when flash is fired once every 30 s.
- *3Number of times flash can be fired at full power with flash-ready light illuminating within 30 s.
- *4Firmware can be updated from camera.