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Will Canon's FF Mirrorless be EF or EF-M Mount?

Started Dec 27, 2017 | Polls thread
Photato
Photato Veteran Member • Posts: 3,152
Re: Will Canon's FF Mirrorless be EF or EF-M Mount?

J A C S wrote:

Photato wrote:

J A C S wrote:

Photato wrote:

And where is the compact FF mirrorless option if Canon were to stick to the EF mount?

It can still be compact with a newly designed lenses for mirrorless EF mount bodies. They just have to be carful to prevent them from mounting on dSLRs.

26mm makes a lot of difference when designing a very compact body. It certainly be at a size / weight disadvantage against Sony and of course m43.
The 26mm integrated "tube" has to be sturdy enough to support heavier EF glass.

A steady mount is a must for Canon. It does not have to be a tube. It could be not much different than the current dSLRs overall, with a good grip and a solid mount. It could add 100g or so but with a shorter flange, you either use an adaptor or a longer lens.

With a shorter flange mount you have the OPTION to have specialist bodies to travel light and small with certain lens designed for that purpose, like compacts pancakes and software corrected zoom lenses.

You must have a lens thinner than 20mm to do that. I can imagine such lens to be possible to make but I doubt that this would be a factor (and you gain a few mm only anyway).

I am referring to lenses such the EF 40mm, EF-M 22 or EF-S 24. These are lenses that you take when you want to travel light, other focal lengths are possible with compromises.

Want to shoot with large zoom ? The option is there with adapter or native lenses.

An adapter is a worse option both optically and mechanically.

It is a transitional compromise.

Want to adapt other lenses from other mounts ? That option is only possible with a short flange mount such as EF-M.

I am not sure that this applies for all of them. If the diameter is somewhat smaller, there is no problem. In any case, I am not interested in other mounts.

The Diameter is not the main adaptability problem but the flange back distance of the other mounts. You can adapt from longer mounts to shorter but not the reverse.

In other words the EF-M mount is more versatile, it open up more possibilities.

That is another question. I am not sure what Canon would do - just saying that the EF mount is an option.

Yes is an option but it doesn't make much sense to me.
You have to ask yourself why Canon designed the EF-M mount large enough to fit a FF sensor?
Ask again why Sony didn't use their legacy Minolta SLR mount with the FF MILC cameras.

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