Looking Great: Canon RF 600mm F4 L IS USM Lens Image Quality Test Results

Image quality test results have been added to the Canon RF 600mm F4 L IS USM Lens Review.

As expected, this lens is a stellar performer.

Despite the Canon RF 600mm F4 L IS USM Lens and EF 600mm f/4L IS III USM Lens being nearly identical, including a shared optical design, one opportunity for the RF 600 to differentiate itself was optical performance with extenders. More specifically, RF extenders vs. EF extenders.

Here is that comparison.

Additional comparisons:

Canon RF 600mm F4 L IS USM Lens compared to the Canon EF 600mm f/4L IS II USM Lens

Canon RF 600mm F4 L IS USM Lens compared to the Sony FE 600mm f/4 GM OSS Lens

Canon RF 600mm F4 L IS USM Lens compared to the Nikon 600mm f/4E AF-S FL ED VR Lens

If you want this lens, get in the preorder line ASAP. I expect it to be hard to get for a long time.

The Canon RF 600mm F4 L IS USM Lens is available for order at B&H | Adorama | Canon USA | Amazon USA | WEX

Rent the Canon RF 600mm F4 L IS USM Lens from Lensrentals.

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