Our street prices on two 400mm super-telephotos has improved: the RF 400mm f/2.8L IS USM is now $10599 and the EF 400mm f/2.8L IS III USM is discounted to $10699. These prices are from Canon authorized dealers with a 1-year Canon USA warranty, free shipping, and no sales tax collected.
Street Price: RF 400mm f/2.8L IS $10599, EF 400mm f/2.8L III $10699

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I’m surprised the EF version is more than the RF. I’d expect eventually retailers would want to move the remaining inventory of EF versions. Any word on a deal on the 600 RF/EF?
Yes, I’m interested in the RF600as well…
Can anyone explain to me why the EF is more than the RF????
I can only imagine that the EF is more because it will or with RF and EF.