Anatomy of a flash­gun

Here’s a quick tour around the Speed­light SB-910, Nikon’s top ex­ter­nal flash­gun

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1 In­side this slot is are a flip-down dif­fuser panel, which will help to spread the light for wide-an­gle shots, and a bounce panel for chang­ing the di­rec­tion of the light, so it needn’t be aimed di­rectly at your sub­ject.

2 This is the flash head. It has a zoom func­tion, so that when you use a longer fo­cal length, the head will de­tect that and ad­just the beam of light to make it nar­rower so that it goes fur­ther.

3 Un­der this trans­par­ent red panel are AF As­sist lamps, which light the sub­ject ahead of the flash so that the

cam­era will be able to fo­cus more eas­ily, ready for when you take the shot.

4 This is the ac­ces­sory shoe, which slots into the hot­shoe on the top of your Nikon. It con­tains all the elec­tri­cal con­tacts that en­able the SB-910 to com­mu­ni­cate with the cam­era body to swap dis­tance in­for­ma­tion and other im­por­tant data.

5 Like other pro­fes­sional flash­guns, the SB-910 has a tilt­ing head. You can an­gle the head up­wards, which is handy for things like bounc­ing the light off the ceil­ing.

6 The head also ro­tates, so you can turn it side­ways to bounce the light off a wall or use it with the tilt mech­a­nism to point it in any di­rec­tion you like.

7 This LCD panel is the SB-910’s con­trol cen­tre. Most of the func­tions are con­trolled from within the flash unit, not the cam­era body.

8 The SB-910 is com­pat­i­ble with Nikon’s Cre­ative Light­ing Sys­tem, and it can com­mu­ni­cate wire­lessly with other Nikon Speed­lights, act­ing as ei­ther a ‘mas­ter’ or ‘re­mote’ flash.

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