Support
Including the effective focal length in the error function
Question Please tell me how to include the effective focal length (EFL) in the error function as referred in OSLO 5.4 Optics Reference Chapter 7, Page 266 (A design project)? Synopsis Including the effective focal length in the error function Solution In rev 5.4, the focal length is not explicitly...
CAD Translation
Question When I want to save the work of TracePro into the IGES/STEP format, a message appears that tells me no such feature exists, and another message tells me that IGES/STEP Translator is required for data translation. One other problem is that when I save the work of TracePro as a SAT file,...
Collimating Lens: DIODCOLL.LEN - How to Collimate a Laser Diode
Diodcoll shows a practical lens in which the difference between aplanatic and paraxial ray aiming is clearly visible. Paraxial ray aiming is used in many optical design programs, but it does not provide a good model for systems that have a large numerical aperture on the object side. Aplanatic ray...
32. Designing and Optimizing Reflectors
Showing a surface when drawing a lens
Question OSLO does not seem to show some surfaces in my lens. Why is this? How do I force a surface to be shown when I draw a lens? Synopsis Showing a surface when drawing a lens Solution Try the following: Make sure the Aperture Radius of your surface is large enough to be seen in the scale of...
How to add custom or specialized materials (glasses) to a design
Question I would like to use custom materials for my lens design. What data do I need from the glass manufacturer in order to model it like the usual glass in the "GLASS" column of the surface data spreadsheet? Synopsis How to add custom or specialized materials (glasses) to a design Solution There...
12. Making Custom Properties
22. OSLO Tip: Flexible button menus
What is the IES File Format? – Lighting Data Explained
Question IES File format Synopsis IES File format Solution "I have attached an example IES file to help me to respond to your question. Please make note of the fifth line in the file: 1 10.000000 1.0 19 1 1 1 0 0 0 These values in the IES file, from left to right, represent the following (items 3.4...