More interesting Canon lenses emerge

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Canon’s RF lens range has quickly filled with standard choices and more extreme designs, but there are still notable absences, particularly in the super-telephoto range. That will surely change eventually, and it looks like we’re on the right track, as several patents have emerged with innovative and versatile designs.

Canon’s prime super-telephoto lenses, commonly referred to as ‘big whites’, are popular professional tools for sports, wildlife and bird photographers. The EF mount is available in six popular options: 200mm f/2, 300mm f/2.8, 400mm f/2.8, 500mm f/4, 600mm f/4, and 800mm f/5. 6. On the RF mirrorless side, we saw the 400mm f/2.8, 600mm f/4and 800mm f/5.6as good as 1200mm f/8.

However, patents have recently surfaced for the 300mm f/2.8, 400mm f/2.8 and 600mm f/4 lenses, all of which have built-in 1.4x teleconverters, which would turn them into 420mm f/4, 560mm f/4 and 840mm. f/5.6 lenses, respectively. Lenses with built-in teleconverters have grown in popularity in recent years. They offer a lot of convenience, especially for someone like a wildlife photographer, who may not want to carry multiple large lenses over long distances, but manufacturers can also modify individual teleconverters to better match each lens optically, creating a better overall image quality than if an external teleconverter was used.

Of course, a patent doesn’t guarantee a lens will hit the market, but at the very least I’m sure we’ll see a 300mm f/2.8 eventually, and one with a built-in teleconverter would be pretty intriguing. I suspect such lenses would be popular.

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