The Canon RF 70-200mm f2.8L IS USM is small, sharp, and steady. It’s almost perfect, but the incompatibility with teleconverters will put off some photographers. Best Canon lenses in 2026: Wide angle ...
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Just like with any 2x teleconverter, the focal length of the attached lens is doubled, with a consequent aperture reduction of two f/stops. As such, a 70-200mm f/2.8 zoom effectively becomes roughly a ...