A clever Maker used a CD-ROM lens on a web camera to make a DIY digital microscope – Link & translated page.

Related:

• QX5 Computer Microscope – Link.
• Turn a Mac into a microscope on the cheap – Link.
• The Paper Microscope – Link.
• 3D Video microscope – Link.
• Build your own digital microscope – Link.
• HOW TO – Build a simple scanning tunneling microscope … – Link.