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Canon RF 400mm f2.8 vs RF 600mm f4

Started 2 months ago | Discussions thread
Tazz93
Tazz93 Veteran Member • Posts: 3,473
Re: Canon RF 400mm f2.8 vs RF 600mm f4

I'm in the market for an RF super tele, but neither one has wow'ed me in to a purchase. I was leaning more to the 400 as it is largely a little more versatile with the 2.8, but if you are after birds the 600 is the way to go. If you are mixed, mammals and birds, its a little more tricky.

But ultimately, you have to factor in the type of wildlife and your average location. For example, a Costa Rican birder would likely lean toward a 400 2.8 because they are shooting under a canopy of trees. But for a Californian birder, the 600 wins almost hands down.

Again, I'm waiting for something a little more compelling as I still have an EF 500L II to hold me over. But, to answer the question about performance, most people will not care about the difference in performance between the 400 and 1.4x and the 600, but the 600 is better IQ-wise. AF-wise didn't notice a difference with an R5, but that was a very short sample of the two.

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