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DEMOTRIP.LEN - A COOKE TRIPLET
Demotrip is a Cooke triplet used throughout OSLO as a demonstration lens. It is good for this purpose because it contains the degrees of freedom needed to illustrated several optical principles, uses vignetting as a design variable, and is relatively straightforward to understand. The Cooke triplet...
Targeting real ray based EFL in optimization
Question I have a situation where my lens has a 2nd order aspheric term on an optical surface. The paraxial PU curvature solves and the paraxial EFL that OSLO calculates (by default) does not include this aspheric term. How can I target a real-ray based EFL for my lens in optimization so that 2nd...
25. Reducing Noise, Memory Usage, and Raytrace Times
Exporting Irradiance Data to CAD programs.
Question How can I export Irradiance Data to CAD programs? Synopsis Exporting Irradiance Data to CAD programs. Solution The Irradiance map output data may be saved to a disk file in a variety of file formats. Selecting File|Save As when an irradiance map is active will display a File Save AS dialog...
Variables insertion, distortion, and relative illumination
Question 1) About variables insertion, before optimizing: how can you define the distance between image and object and say for instance that it should be 27mm? 2) Variables: how can you insert distortion among certain values? 3) Where are indications about "relative illumination" of a system to be...
Setting the Flux Threshold
Question What is the best approach for setting the Flux Threshold?
10. 3D Irradiance/Illuminance Maps
09. Design Analysis Tools
Reverse Raytracing - what is it about?
Question I'm not sure what the reverse ray trace is about. Would that benefit us at all in the way we are using your software?