| Lens Data |
 |
| Number of supplied lens models |
2400+, available via the New Lens Wizard or
Patent Lens Search capability. |
| Number of surfaces |
990 |
| Number of wavelengths |
21 |
| Spectral weighting |
Yes |
| Number of zoom positions |
99 |
| Number of zoomed parameters |
890 (most lens data can be zoomed) |
| Number of fields per zoom position |
25 |
| Number of MUL layers |
1,000 |
| Pupil specification options |
Entrance pupil diameter
Numerical aperture at object
Numerical aperture at image
F/number at image |
| Field specification options |
Field angle (degrees)
Object height
Image height (paraxial or real) |
| Wide angle mode with ray input angle |
Greater than 90 degrees |
| Vignetting factors |
+/-Y and +/-X at entrance pupil, defined for each field point |
| Lens dimension options |
Inches, mm, or cm |
| Afocal mode |
Perfect lens conversion to an imaging system or true afocal modeling with field-independent accommodation |
| Aperture stop |
Definable on any surface (chief ray iterated) |
| Chief ray specification |
Can be specified to hit any surface at any location (default is center of stop) |
| Telecentric object |
Yes |
| Number of through-focus positions |
18 |
| Environmental specifications |
Temperature (default 20deg. C)
Pressure (default 760 mm Hg) |
| Surface types |
Sphere
Conic, Segmented conic, Superconic
Polynomial asphere (20th order, 30th order with odd-power terms)
Fresnel surface (with aspheric profile, on flat, curve, or cone substrate)
Anamorphic asphere (10th order)
Cylinder (X or Y)
Toroid (X or Y, with 10th order aspheric profile)
Spline, Extended spline
Other polynomials (Zernike, General XY polynomial)
Thermal gradient
Lens module
User-defined (via user-written subroutine) |
| Diffractive Properties |
Can be applied to any base surface:
Linear grating
Diffractive Optical Element (DOE)
Holographic Optical Element (HOE)
Scalar diffraction efficiency calculation also supported |
| Radius specification |
Radius or curvature |
| Radius solve types |
Marginal or chief ray angle
Marginal or chief ray angle of incidence
Aplanatic (marginal or chief ray) |
| Thickness solve types |
Marginal or chief ray height
Overall length (of surface group)
Edge thickness
Paraxial image location
Reduction ratio (sets object distance) |
| Pickups |
Yes (pickup from like or unlike parameters) |
| Glass types |
Catalog glass |
| |
Fictitious (used for optimization; Nd and Vd specified; partial dispersion can also be specified) |
| |
Private catalog (1 to 21 wavelength/index pairs or dispersion formula) |
| Glass catalogs supplied |
Hikari, Sumita, Pilkington, Schott, Ohara, Hoya, Corning France, Kodak, NSG, and "Special Materials" |
| Gradient index |
Yes, several forms, including user-defined (via user-written subroutine) |
| Number of user-defined gradient coefficient |
150 |
| Glass property specifications |
Specific gravity, transmittance, price, partial disperson (for fictitious glass) |
| Refractive mode options |
Refract (fail on TIR)
TIR only (fail on refract)
TIR or refract (NSS surfaces only)
Reflect |
| Mirror substrate specifications |
Material, thickness, rear curvature |
| Aperture shapes |
Circular, and/or rectangular, and/or elliptical |
| Aperture types |
Clear aperture, obscuration, edge, hole |
| Aperture location on surface |
Can be rotated and/or decentered |
| Aperture combinations |
Multiple apertures allowed, can be ANDed or ORed (default is AND) |
| Decentrations/tilts |
3-D tilts or decentrations allowed on any surface (can be defined locally or globally) |
| Decentration/tilt types |
Regular, reverse, decenter-and-return, bend, pure return |
| Non-sequential surfaces |
Yes |
| Non-sequential elements (predefined) |
Corner cube and roof |
| Refractive mode change |
Yes, on specified hit number (up to two changes per surface) |
| Lens arrays |
Yes, with uniform or user-specified spacings (all channels identical) |
| Surface coating options |
Uncoated
Single layer MgF2 (default)
Multilayer (user-defined, via MUL option)
User-defined surface properties
Perfect refractive
* Coating thickness variations also supported |
| Apodization options |
Gaussian or user-defined (via FIL type interferogram file) |
| Surface deformation |
Attached surface interferogram |
| Wavefront deformation |
Attached wavefront interferogram (attached to a surface or to a pupil) |
| Polarization specifications |
Polarization ellipse (polarized fraction, ratio, orientation, and handedness)
Jones vectors
Stokes parameters |
| Polarization operators |
Retarders (standard or birefringent), polarizers
Faraday rotators, Jones matrix, and user defined |
| Uniaxial crystal birefringent ray tracing |
Yes |
| Intrinsic cubic crystal birefringent ray tracing |
Yes |
| Stress Birefringence Modeling |
Yes |
| Tolerance types |
Many forms (single surface and surface groups) |
| Number of tolerances |
Unlimited |
| Compensator types |
Any tolerance can be a compensator |
| Number of compensators |
Unlimited |
| Interferogram types |
Wavefront
Surface deformation
Filter (apodization) |
| Interferogram locations |
Any surface or pupil |
| Interferogram orientation |
Can be scaled, decentered, rotated, or flipped in X or Y |
| User-defined features (via user-written subroutines) |
Surface shape
Diffractive phase profile
Gradient index profile
Surface properties
Interferogram definition
User-defined subroutine |
SOFTWARE > CODE V 
