i understand FDD and throat width as a combination.
If a very short FDD is chosen, then better make the opening oversize in diameter.
Or use a somewhat longer FDD and get by with a narrower opening.
18mm FDD plus 46mm throat width for FF sensor is definitely a "borderline compromise" that puts severe limitations on lens design ... as witnessed in very long, large, complex, heavy and expensive Sony FE lenses.
This is so evident, one does not have to be an optics expert.
However, i still believe Canon will do the right thing and not use EF nor EF-M mount for their future camera and lens program.
If a very short FDD is chosen, then better make the opening oversize in diameter.
Or use a somewhat longer FDD and get by with a narrower opening.
18mm FDD plus 46mm throat width for FF sensor is definitely a "borderline compromise" that puts severe limitations on lens design ... as witnessed in very long, large, complex, heavy and expensive Sony FE lenses.
This is so evident, one does not have to be an optics expert.
However, i still believe Canon will do the right thing and not use EF nor EF-M mount for their future camera and lens program.
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