Do you want to be able to take brilliant photos but dont know where to begin? Get a kickstart with this little book which will give you just enough to get you going...Some digital cameras can also be set to any shutter speed when used with electronic flash. ... Leaf shutters comprise a series of blades like an aperture diaphragm that fan out to make an exposure, so you can obtain evenly lit flash pictures at any shutter speed. ... Power output The power output of a flashgun is referred to as a a#39;guide numbera#39; (GN), which is expressed in metres at ISO 100 (m/ ISO 100).
|Title||:||Great Photography Techniques: Flash|
|Publisher||:||Hachette UK - 2011-07-29|