I'm not an expert and I am especially ignorant with reference to other brands' gear.
My question is: are there
Non-EF lenses that a Canon user should want to use and that are not available with a Canon EF Mount?
If the answer is Yes, than a different mount + adapter should be the right choice.
If Canon glass is unmatched / unmatchable, who needs an adapter to use inferior glass?
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Another strategic option:
i. Canon will deliver in 2018 (and in the following years) more than one FF Mirrorless, both with EF Mount
and with "short flange", compatible with adaptor (let's call it "EF-MFF")
ii. Canon will deliver, in the next months/years, the EF-MFF
native version of all its existing EF lenses.
iii. Canon will eventually (2030?) stop selling EF Mount and EF Lenses.
=>
a. Canon users with EF-MFF mount will be able to use other
shorter flange lenses via specific adapters (and EF lenses with the native adaptor, of course)
b. The investment needed to develop the EF-MFF lenses will be lower than starting from scratch
c. Canon users with EF Lenses or EF bodies won't be hurt
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If you like my idea, feel free to recommend me as a future member of Canon's Board of Directors.
