Question Whenever I trace a chief ray, it appears as though the radius of my reference sphere is calculated to be infinite even though I have set the position of the reference sphere to follow the location of the exit pupil. What is wrong? Synopsis Reference sphere radius always calculated to be...
Hubble is the design formula used for the original Hubble Space Telescope. Note that the original telescope was not manufactured to this design, which caused the problem. The Hubble telescope has become famous for many reasons, not the least of which is the well-known fabrication error that has now...
Question I am unable to change the color of an object I imported into TracePro from a CAD file. How can this be resolved? Synopsis Unable to change the color of an object imported from a CAD file Symptoms OBSERVATION
Question What is the definition of DN? I notice that if I load N-BK7 from the Schott catalog, convert it into a model glass, and mark the dispersion (DN) of the glass as a variable, the initial DN is calculated as DN = 0.246045 while the VNBR = 64.16641. How do you calculate one from the other? ...
All graphic windows are resizable, zoomable and updatable. A recall parameters dialog box (to set field point(s), wavelength, scales...) and direct on-line help are easily accessible. Several graphical analysis routines formerly in the built-in library have now been supplied in CCL, making it easy...
Question I have OSLO Premium 6.2.2a installed and I know notice that some of my menu options are missing. What is the problem? Synopsis OSLO Premium shows OSLO Standard menus Symptoms "There are 4 items (instead of 6 items) shown in the "Tolerance" menu (even disabled items are counted). The second...
Question When I start a new lens and open up the Wavelength Data editor, I note that there are three wavelengths defined by default. How do I add or subtract wavelengths? Synopsis How to add or subtract wavelengths in an optical system Solution Once you are in the Wavelength Data editor (you can...
