Sony Alpha 1, SEL 200-600 or Canon R5, RF 100-500

Started 3 months ago | Discussions thread
MILC man Senior Member • Posts: 4,696
Re: Sony Alpha 1, SEL 200-600 or Canon R5, RF 100-500
1

duncang wrote:

- no animal/bird eye af in video ?!

the vast majority of camera owners do not need that functionality.

the much bigger problem is that the rf100-500 is not parfocal, which makes it a weak choice for shooting video, see the blurry crops here, and also the focus breathing at 500mm:

"While it can be an individual lens-specific attribute, the review lens does not exhibit parfocal-like behavior. Though it attempts to adjust the focus distance to be appropriate for the selected focal length, focusing at the long end and zooming to the wide end does not result in precise focus. If you adjust the focal length, re-establish focus as suggested by these 100% crops focused at 500mm."
https://www.the-digital-picture.com/Reviews/Canon-RF-100-500mm-F4.5-7.1-L-IS-USM-Lens.aspx

the fe200-600 has better parfocal characteristics, which makes it better for shooting video, and for stills it's rated at 30fps af-c on the a1, while no none knows how canon lenses perform at 30fps.

"This lens(fe200-600) has focus breathing very nicely under control. Subjects in the frame go in and out of focus, but the framing remains quite consistent in appearance." Sony FE 200-600mm f/5.6-6.3 G OSS Lens Review (the-digital-picture.com)

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