What is the meaning of "Size" for the Sun lamp? Since Sun lamp is a wall of light, shouldn't it always be of infinite size?

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February 9, 2016 at 4:15 am #4081
nyurka
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What is the meaning of “Size” for the Sun lamp? Since Sun lamp is a wall of light, shouldn’t it always be of infinite size?
April 4, 2016 at 1:38 pm #21989
Stanley Leland
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Sun lamp size in nontechnical words is the size of the sun as seen from the camera. At size of zero the shadows cast are very sharp.

The tangent of the half-angle = size.
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