The home of the L-series: Inside Canon's Utsunomiya lens factory
1 3 4 5 6 7 8 9 10 11 28

The home of the L-series: Inside Canon's Utsunomiya lens factory

To make these lenses, first you must make the tools which shape them. In the foreground, on the left you'll see a steel 'prototype standard'. Every element in a broadcast lens was born here, from a prototype standard - effectively a 'master', rather like a shoemaker's last, from which the element takes it essential shape. Canon stores thousands of them.