Flash Photography Basic Concepts

        Flash Fact #1

• Every flash photograph is two expose in one. 

        Flash Fact #2

• Fill Flash can be used when subject is backlit or sidelit to eliminate silhouettes or shadows.

       Flash Fact #3

• Flash expose is not affected by shutter speed. 

       Flash Fact #4

• Flash illumination is dramatically affected by distance.

       Flash Fact #5

• Your camera measures ambient light and flash illumination separately. 

       Flash Fact #6

• Without automatic flash metering, the flash illumination is measured after the shutter button is pressed, and the flash output is adjusted accordingly. 

       Flash Fact #7

• Every SLR camera with a mechanical shutter box has a maximum flash sync shutter speed.

       Flash Fact #8

• Harsh lighting, washed out subjects and red eye can be eliminated by using diffusers and light bouncing  

       Flash Fact #9

• It is possible to change the order of when the flash fires using "Rear curtain Sync"