I drew the microscope from reference (no tracing) and the enlargement of the slide from imagination. I’m particularly proud of the 16 by 16 texture tile made more or less seamless. The microscope and its light and shadows are excellent too, for my usual execution of such objects.

Game Boy pixel art, 160 by 144 pixels, 4 colors, for r/SketchDaily, with a microscope and what can be seen magnified on the slide