These small calculators run on your Windows PC. Click on a link to download a tool, then save it to your desktop.
Wide angle or telephoto lens? Use LensFinder (20KB) to choose a lens to capture a vehicle, a person, or a license plate at a given range.
Illumination Converter (16KB) tells you how well a lens and CCD will work together under your lighting conditions.
Ruben & Co. can help with your special projects