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Canon EOS R7 performance with EF 300mm f2.8 (1st version)

Started 1 month ago | Discussions thread
BirdShooter7 Veteran Member • Posts: 9,127
Re: Both EF 300mm f2.8 L and L IS, not fully compatible

PhotosFlight wrote:

I have the IS version and use it on an R7 and an R6. So, not the same version but the lens performs extraordinarily well. If I recall correctly the frame rate is reduced a bit on the R6

Yes, when I tested mine on the R5 and R6 I got 6.7fps max for MS and EFCS but the full 20fps for ES

but surprisingly I think I get the full frame rate on the R7.

That was my finding as well, 15fps with MS and EFCS and 15fps for ES, not 30fps.

On either camera I get the full frame rate in electronic shutter mode but that doesn't really help for sports photography in most situations.

The IBIS works well on the two lenses I have that don't have built in IS.

The 1.4 TC works reasonably well. The 2.0 is just OK.

I use this lens for sports swapping it back and forth between the R6, and the R7 when I need extra reach. It is fantastic. No regrets.

I got it over a 400 2.8 because I can easily handhold it and even use it indoors for sports like basketball.

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Some of my bird photos can be viewed here: https://www.flickr.com/photos/gregsbirds/

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