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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
ffabrici Senior Member • Posts: 1,353
Re: When do you see the difference between RF lenses that are 2.8L vs 4.0L

jclin10 wrote:

I’m thinking through what lenses to purchase for my R series Canon. While the 2.8L lenses are optically superior, the 4.0L lenses are still very good and less expansive and heavy.

Under what shooting conditions will I see the difference in quality between one line of lenses against the other line of lenses?

The 2.8 lenses gives you better background separation and low light capabilities. AF system receives twice the amount of light as well. I would go with the excellent f/4 lenses if you are in doubt and don’t need f/2.8.

I use the 70-200L f2.8 for in door horse shows where I need borh the backgroind separation and fast shutter soeeds. I often need to use ISO 10000 to freeze the motion. I some times also ise the 200L f/2.0 to achieve what I want.

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