Canon News has uncovered a patent showing a really cool idea from Canon, a zooming teleconverter. We’ve had teleconverters for a long time, but this is the first time I’ve seen or thought about a teleconverter that zooms.

This teleconverter can be switched between 1.0x-1.5x-2.0x.

This teleconverter doesn’t appear to have the same sort of design as the current teleconverters as the element doesn’t protrude into the lens it is attached to. Could this sort of TC be for folks with lenses such as the RF 70-200mm f/2.8L IS USM that cannot take the latest RF teleconverters?

We’ll have to wait and see on this one, as the patent isn’t too detailed. If Canon can make this compatible with lenses that the conventional teleconverters are not, this will sell.

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