Here’s how it works. Call me old-school but I’m still of the opinion that even the best camera body is only as good as the lens mounted on it. Upgrade your camera body puts high-end lenses firmly on ...

Thus, this method provides a new approach for the design of progressive addition lenses. Figure 2. Design process flowchart. Unlike progressive multifocal freeform surfaces, defocused freeform ...

Canon has announced that it will unveil new hybrid L-series lenses on October 30 – and I know what one of them is… When you purchase through links on our site, we may earn an affiliate commission.