Description

This command sets the stop surface semi-aperture using paraxial calculations to meet the object space working F/# entered into the Object Working F/# dialog box.  This command does not affect on the FRED model.  It only affects the paraxial raytrace calculations.

Navigation

The Object Working F/# command is accessed by right mouse clicking in the Paraxial Analysis dialog box.

Related Topics

Auto Select Aperture Stop

Construction

Image Numerical Aperture

Image Semi-field Angle

Image Working F/#

Make Aperture Stop

Object Numerical Aperture

Object Semi-field Angle

Paraxial Trace

System Info

Third Order Analysis