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When do you see the difference between RF lenses that are 2.8L vs 4.0L

Started 9 months ago | Discussions thread
David Carlyon Contributing Member • Posts: 712
Re: When do you see the difference between RF lenses that are 2.8L vs 4.0L

You'll see the differences at f/3.5 and f/2.8, which the f/4 lenses obviously can't do. The pro f/4 lenses, especially the newer L versions, are great optically, and will usually do as good as the faster lenses. But if you want more background blur, better focusing in low light, and the fastest shutter speeds possible with a given amount of light, then f/2.8 has definite advantages. But if you keep both lenses at f/4 or smaller, you shouldn't notice much difference. (Except perhaps focusing speed, which uses the widest aperture.)

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