
Paraxial data
The following values are defined in the dictionary returned by the
paraxialData
key of class Lens:
entrancePupilDiameter
- Entrance pupil diameter in mm
entrancePupilLocation
- Entrance pupil location in mm from the system surface. Positive means after.
entrancePupilMagnification
- Ratio of pupil size to stop size.
exitPupilDiameter
- Exit pupil diameter in mm
exitPupilLocation
- Exit pupil location in mm from last surface. Positive means after last surface.
exitPupilCenter
- Coordinates of exit pupil center in global coordinate system.
focalLength
- Paraxial focal length in mm
imageSpaceFocalRatio
- Image space f-number at working conjugate
imageSpaceNumericalAperture
- Image space numerical aperture at working conjugate
infiniteConjugateImageSpaceFocalRatio
- Infinite conjugate (object at infinity) image space f-number
infiniteConjugateImageSpaceNumericalAperture
- Infinite conjugate (object at infinity) image space numerical aperture
magnification
- Paraxial magnification (units depends on type of system)
minification
- Reciprocal of paraxial magnification (units depends on type of system)
objectConeAngleInDegrees
- Object cone angle in degrees
objectSpaceFocalRatio
- Object space f-number
objectSpaceNumericalAperture
- Object space numerical aperture