How to adjust the focus without zooming in or out?

[Yi_Xin]

I think the question is pretty straightforward. Can it behave like a fixed focal length camera?

[Sam_Morgan]

Thanks for asking!

The microscope uses a single varifocal lens, so you can’t adjust focus and magnification independently of each other. Magnification in this case is a function of focal length.

If you’re interested, here’s a little more info:

https://en.wikipedia.org/wiki/Varifoc…