Again, I don't really see that this is an Arduino topic, unless you're using an Arduino to control the lathe that grinds the lens and/or mirrors.
Or were you thinking of a raster scan projector?
Again, I don't really see that this is an Arduino topic, unless you're using an Arduino to control the lathe that grinds the lens and/or mirrors.
Or were you thinking of a raster scan projector?