Flash Fact Notes

Flash Fact #1
-Every flash photograph is two exposures in one 

Flash Fact #2
-Fill flash can be used when subject is backlit or side lit to eliminate silhouettes or shadows

Flash Fact #3
-Flash exposure 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
-With 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"

Flash Fact #10
-Removing the flash from the top of the camera helps eliminate red eye and unflattering shadows