Description Retrieves the bending parameter for a specific singlet lens.
Syntax bend = GetLensBending ( n )
Parameters bend (Double) The bending parameter from the singlet.
n As Long Node number of the singlet.
Remarks This function retrieves the bending parameter for a specific singlet lens. The bending factor specifies the shape of a lens. It can take on any value with common values being +1 (convex-plano, i.e. the back surf is flat), 0 (front and back surfs have equal and opposite, i.e. equi-convex), -1 (plano-convex, i.e. the front surface is flat). Values outside the range of -1 to +1 are uncommon. If there is a problem the function sets an error and returns 0.
See Also Examples
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