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What is the unit of the viewing angle? Is it degree, radian or steradian?

April 26, 2017degree radian steradian viewing

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What is the unit of the viewing angle? Is it degree, radian or steradian?

1 Answer

0

10 Posted

“Degree” is the unit typically used. However degrees and radians are interchangeable (like yards and meters they measure the same thing). Steradians, on the other hand, are used to measure solid angles like cones and are not appropriate for viewing angles.