Zoom lenses are great, but what do photographers reach for when they need extra zoom and don’t have a longer lens? A handy little add-on lens known as the teleconverter allows them to get closer to the subject without sacrificing resolution. So far, teleconverters come with a fixed magnification capability, usually either 1.4x or 2x. But if news about Canon’s upcoming teleconverter is accurate, it might just be a dream come true for many photographers.
