Here is a size comparison of the recently announced Canon RF 200-800mm F6.3-9 IS USM with two other super-telephoto zooms from Sony and Nikon: Sony FE 200-600 F5.6-6.3 G OSS and Nikon Nikkor Z 180-600mm F5.6-6.3 VR. Real life scaled comparison images include the Canon both in extended and regular states. The size comparison is followed by a specs and feature comparison of these three giant lenses.
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Sony FE 200-600 F5.6-6.3 G OSS vs Nikon Z 180-600mm F5.6-6.3 VR vs Canon RF 200-800mm F6.3-9
Here is when the Canon lens is extended to 800mm. Sony and Nikon doesn't change length since they are internal zoom designs:
Sony FE 200-600 F5.6-6.3 G OSS vs Nikon Z 180-600mm F5.6-6.3 VR vs Canon RF 200-800mm F6.3-9
Canon RF 200-800mm F6.3-9 vs Sony FE 200-600 F5.6-6.3 G OSS vs Nikon Z 180-600mm F5.6-6.3 VR Feature Comparison
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