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EF 300 f/4 L IS opinions

Started Mar 11, 2019 | Discussions thread
gcrimmins Regular Member • Posts: 104
Re: EF 300 f/4 L IS opinions

I used to own the 300 f/4 L IS. It was pretty sharp, and it focused very close, which was nice. I found the AF to be kind of slow, and it wasn't as sharp as I would have liked with a 1.4x. (In comparison, I think a 1.4x works great with a 300 2.8 IS and a 70-200 f4 IS II.) I've heard that both the 400 5.6 and the 100-400 II are both noticeably sharper and have faster AF.

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