In order to do that, we need a CD player lens and some other things like wood boards, plexiglass...
and a cellphone for sure.
We have just finished to build our microscope and we've done it well.
We haven't found our question yet but we are working for it, we think that it's going to be on the comparaison of an High school 's microscope.
Lastely we've deduced the focal distance of our lens and the magnification of the optical zoom which is x36.