Canon 300mm f4L focus speed on EOS R

Started Nov 23, 2019 | Discussions thread
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BoredFatMan
BoredFatMan Junior Member • Posts: 28
Canon 300mm f4L focus speed on EOS R

Hi all,

I’ve been lurking on this site for years and finally created an account.

i switched from Sony to EOS R and so far I’m very happy with my choice.

However I am looking to get a decent telephoto lens and am very tempted to get a 300mm f4L. Does anyone have any experience with how well it focuses on EOS R?

i have a Sigma 105mm macro which has always been a favourite lens of mine but when I adapt this to EOS R it focuses quite slowly.

I’m looking to shoot birds in flight which I know can be done on this camera!

anyhow, if anyone can help, I’d be grateful.

 BoredFatMan's gear list:BoredFatMan's gear list
Canon EOS 5D Mark IV Sony a7R IV Sigma 105mm F2.8 EX DG Macro Sony FE 55mm F1.8 Sony FE 90mm F2.8 macro
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