Lighting for film and video can be complex and time consuming, some cinematographers will take many hours to light a scene. Fortunately, there's usually a great ball of fire in the sky that is simple to use and can help create a beautiful look. Also works indoors!
Although there are hundreds of different types of light available and thousands of ways to use them; really light can be split into just two types - hard light and soft light
also known as: point, direct or hard light
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This light is usually more dramatic and creates shadows. Some examples of hard light are:
Hard light can usually be made softer but making softlight hard is more difficult - or perhaps it's pointless :-)
also known as: soft, bounce, diffuse & fill
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This gives a more even gentle light to your scene, with less shadows. There are a number of ways it can be created:
Some people suggest tinfoil as a soft reflector, this is often too mirror-like and you end up with a hard light reflection, there's nothing like flat white
Essentially the wider (and usually nearer) the soft light is the softer everything becomes. Although if your soft light gets too small or far away it can infact become a hard light source.
Totally soft light everywhere with no modelling light or direct light can create a bland look. Good lighting is usually a balance of both hard and soft light