Canon Shows off RF 500mm F5.6 L IS in Latest Patent

This would have to be considerably smaller with higher IQ than a 200-600 f/6.3 to make sense. Still would prefer a zoom at this range for wildlife. Currently shooting with the 200-800 and the reach is great.

What I'd really want to see is a 100-300 f/4L that would shave off most of the 2.8's weight and price.
If you want a RF 100-300 f4 lens I would seriously consider the 70-200 mm f2.8 with a 1.4x TC. The 1.4x TC would only minimally degrade the image quality and you also have a 70-200 mm f2.8 L lens which is very good as well.
 
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If you want a RF 100-300 f4 lens I would seriously consider the 70-200 mm f2.8 with a 1.4x TC. The 1.4x TC would only minimally degrade the image quality and you also have a 70-200 mm f2.8 L lens which is very good as well.
Yes if you want 300mm or so as a maximum but not if you want to go to to 420mm or 600mm with TCs.
 
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Yes if you want 300mm or so as a maximum but not if you want to go to to 420mm or 600mm with TCs.
True. You could get out to 400 mm f5.6 with the 70-200 f2.8, but beyond that focal length you need a longer lens. Maybe this is why Canon is considering the 500 mm f5.6. Personally a RF 400 mm f4 DO with a built-in TC would be more flexible, but you can't get everything.
 
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