FLASH REVIEW
Camera Flash / Speedlight: Nikon SB-900 Speedlight Flash Unit Flashgun
| Model Name: Nikon SB-900 Speedlight Flash Unit Flashgun | |
|---|---|
| Image: |  |
| Fivercam Price (used) UK | |
| eBay Price (used) UK | |
| Release Date | 30 June 2008 |
| Strenght / Power | |
Guide Number (ISO100, meters)  | 111.5' / 33.99 m ISO 100 at 35 mm Position |
| Power Level Switching (Vari-power Range) | 1/1 to 1/128 |
| Head & Coverage | |
| Bounce (Up-Down) Head Movement | Yes |
| Swivel (Rotation) Head movement | Yes |
| Focal Length Coverage | 104° - 12° Wide-Angle Adapter: 122° - 104° |
| Auto Zoom Head | Full Frame: 17 - 200 mm |
| Flash Related Functions | |
| Flash Durations | |
| Flash Modes(TTL) | Yes (only supports i-TTL) |
| Flash Exposure Compensation / Correction | |
| Secondary Illumination | |
| Wireles Flash | |
| Wireless Operation | |
| Wireless Groups | |
| Wireless Channels | |
| Remote Timing Modes | |
| Other Features | |
| Mount | Hot-shoe mount flash |
| Off Camera Terminal / External Connectors | Proprietary |
| Included Accessories | |
| Other Functions | |
| Power Source & Recycle Time | |
| Power Source - Batterry | 4 x AA Alkaline, Lithium, NiCad, Rechargeable NiMH Batteries |
| External Power | |
| Minimum Recycle Time (Charging time between shooting) | Approximately 2.3 to 4.5 Seconds |
| Battery Life | Number of flashes at full power: 110 per set of alkalines, 190 per charge of 2,600 mAh NiMH |
| Dimensions & Weight | |
| Dimensions | 3.0 x 5.7 x 4.7" / 7.6 x 14.5 x 11.9 cm |
| Weight | 14.6 oz / 413.9 g |
| More Details or Support Website: | Link |
| Item 1 | |
Fivercam Wiki information:
There are three ways to trigger off-camera flash units wirelessly: via infrared, radio signals or a hybrid method that involves both infrared and radio. The infrared system works like the TV remote; there need to be a direct line of sight for the signal to reach the destination. The radio signal has no line-of-sight limitations, but comes at a rather high cost. The hybrid system simply takes the infrared signal from the commander, converts it over to radio and then converts it back to infrared on slave units.
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