1.What shutter type is found in almost all small format DSLR cameras? (your camera)?There are 3 mian types of shutters the interlens shutter (leaf shutter), focal plane shutter and the sensor shutter. Most small format use the focal plane shutter, they use this shutter because its extremely accurate and reliable
2.What does the term flash synchronisation mean? The term flash synchronisation means how quickly the flash responds to the shutter being activated
3.What is the flash synchronisation speed for your camera?
4.What is the typical colour temperature (in Kelvins) of an electronic flash discharge? The typical range for kelvins for a flash is around 6000.This is according to my in camera information
5.What is the typical flash discharge duration of a contemporary portable flash unit? The typical duration for a portable flash is something around 1/250 anything flaster than this shutter speed you will see the shutter in the image
studio
1.In terms of a studio flash unit, is there a difference between a generator and a power pack? there is no differences they are both the same thing
2.What is the unit or units of measurement that describes a studio flash output level? wats jouls/seconds
3.What is the difference between symmetrical and asymmetrical flash power output?A symmetrical flash power output is when generators can power two or more flash units and is measured in watt seconds and the total amount of power available is split equally between each flash unit. An asymmetrical flash power output is where each flash unit can be set to have different amounts of power which is also measured in watt seconds
4.What is a modelling light and how is it used in practice? a modeling light is a contiguous light source that allows the photographer to be able to see where the flash will be directed. it normally is a tungsten lamp with a built in variable settings so you can change the level of illumination
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