Turn the coarse focus so that the stage is as close to the objective lens as ... go back to low-power and re-focus, then try again. Care must be taken when looking down the microscope if the ...

This protocol outlines a procedure for collecting and analyzing point spread functions ... microscope's images. The PSF geometry is used as an indicator to identify problems with the objective ...

Let's take a look at how to observe cells under a microscope. No prizes for guessing ... Select the lowest power objective lens. Turn the coarse focus knob slowly until you are able to see the ...

Now researchers at the University of California at Los Angeles (UCLA) have built a compact, light-weight, dual-mode microscope ... microscopes with low- to medium-power lenses.