Description

This command sets the object and image semi-apertures (object and image heights) to meet the object semi-field angle entered by the user in the Object Semi-Field Angle dialog box.  This command does not affect on the FRED model.  It only affects the paraxial raytrace calculations.

Navigation

The Object Semi-field Angle 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 Working F/#

Paraxial Trace

System Info

Third Order Analysis