Canon Patent Application: The RF 24-105 F4L IS USM and other new RF Lenses
It seems that Canon even held onto the patent applications for the RF lenses until the very end. Sneaky.
Here is the patent application for the 24-105 RF lens, for those more curious.
This patent also includes embodiments for a future 24-70 2.8L and a 24-300 4-5.6
US Patent Application 2018-0252895
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