AuroraChaserDoug said:
I like the size and f/4 is usually fast enough. This lens makes me wonder if I need a 24-70 f/2.8. (Well, OTOH, who doesn't need a 24-70 f/2.8!) The 70-200 f/4 IS is compatible with extenders. What if they modified it to no longer be extender compatible but more compatible with a mirrorless FF? The smaller form factor of mirrorless would mate well with the 70-200 f/4 IS.
Compatible with a mirrorless FF what? Why would the lens have to be less extender friendly to compensate for mirrorless? Mounting an extender on the DSLR doesn't cause the sensor to be moved forward or back. Why would it be different for mirrorless?
I think we assume a FF mirrorless Canon will have to be the ergonomic disappointment that is Sony. Also, once a native Sony lens is mounted on a Sony, there is no size advantage over Canon DSLRs. The Sony lenses are longer, so the total footprint is the same or larger.
I think the assumption some make that Canon will have to give up superior ergonomics and the EF mount is wrong. There won't be a mirror box, but that doesn't mean the camera will be thinner or that the sensor will have to be moved forward as a result.
Maybe there will be a new mount and thinner body, but I doubt it.
Hmmmm... maybe removing the mirror box and prism will make room for a bigger cooling system for 4K? 4K might be another reason to keep the larger body for better cooling and room for more processing power.
I'd like to see a SSD instead of a memory card too. Maybe it will spool the 100 fps onto the slower memory cards.