Mirrored Effects
It is quite feasible to use conventional mirrors for effects work, but they do have double reflection characteristics that sometimes mar the picture. The effect is often seen where white letters are shown on a black background or where a bright spot of light is seen via a mirror. The front and back surfaces of the glass then throw their own separate reflections. For results that have to be optically perfect, surface-silvered mirrors should be used.
Extending the picture
Mirrors may be used to give added dimensions to small sets, creating the impression that there is far more space than there really is. Large back projection mirrors are sometimes used in this context. A fact that is sometimes overlooked is that there is often ...
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