Recent content by phymy8

Sorry I did mean compound microscope but top down illumination and not transmission illumination. I may have incorrectly described it as a stereomicroscope. The sample is not optically transparent so can't use transmission illumination. I can adjust focus. My problem is I can't get it to...

Problem with opticalmicroscopy of features near vertical sidewall of very deep trench Hi, I posted my question here: physicsforums.com/showthread.php?t=612780 but there may be more specialists here. Essentially I have a feature right next to a very deep vertical sidewall of the deep...