R5 w Adapted ef70-300L or ef70-200Lii f2.8 w 2x Extender?

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Dave Seeley Senior Member • Posts: 1,760
R5 w Adapted ef70-300L or ef70-200Lii f2.8 w 2x Extender?

I'll be shooting bicycle racers at about 300mm so the ef70-300 will typically be at f5.6 min.  The 2x extender means my ef70-200 + 2x extender will be at f5.6 min...  thinking speed at 1/500 for sharp edges on a sunny day.  iso 160-1000 on auto I'm guessing.  Mostly interested in focus on the R5 from peeps who have used both on that cam.  The 70-200 for may have an iq advantage if I get cloudy patches?

Thanks for any help!

Dave

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 Dave Seeley's gear list:Dave Seeley's gear list
Canon EOS 5DS R Canon EOS R Canon EOS R5 Canon EF 50mm f/1.2L USM Canon EF 70-200mm F2.8L IS II USM +8 more
Canon EOS R5
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