Canon RF 600mm F11 IS STM Lens Image Quality Test Results

Image quality test results have been added to the Canon RF 600mm F11 IS STM Lens page.

This is an interesting lens from numerous perspectives, but focal length per dollar (euro, pound, etc.) is one, and focal length per lb (kg) is another. Here is a comparison with Canon's other 600mm lens, both set to their widest apertures:

Canon RF 600mm F11 IS STM Lens vs. EF 600mm f/4L IS III USM Lens

At f/11, the RF 600 is already being impacted by the softening effects of diffraction. Another interesting comparison is between the same two lenses at f/11.

Canon RF 600mm vs. EF 600mm f/4L IS III Lens at f/11

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