[That's okay - Robert is just happy that someone is so interested!

He scoots aside a little though, mostly so that Zelda can take her place in front of the eyepiece.]

Certainly, if... if you w-wish...

... Use the v-viewing aperture to look at the s-slides - the lenses can be... a-adjusted with the various knobs, here... [And he indicates them, lining the side of the microscope; it's a fairly standard model, something like this.]