Computer Optics Inc. - Constant Magnification Zoom Lens

This lens is a constant magnification zoom lens designed for the most demanding of machine vision applications; high speed scanning and bar-code recognition. Ah, so this is a barcode lens? What's all that Constant Magnification stuff you are going on about? Well, here is the deal. The COI Constant Magnification Zoom ensures that your barcode appears the same size regardless of the distance from the lens.

It is shown disassembled, with its optical elements arrayed above.

COI designed and manufactured every component in this photograph, except the client-specified motor. In this application, the object of interest can appear at different, but known working distances. This lens allows rapid transitions from near to far and back again. The custom design ensures that the target is in focus, and the right size for processing, no matter how far it is from the lens.

COI designs and manufactures custom lens systems, to meet your exact specifications when you just can't settle for mass produced lenses.