Whatever Canon USA marketing might say now on that AF limit, it doesn\'t sounds plausible to me on at least two counts:
* Increased light and contrast sensitivity of 1DX AF points should actually allow AF at lower apertures, such as having all f/2.8 AF points active at f/8, not just the center AF point like in the older 1D models.
* Canon Japan has been emphasing improved performance with MkIII TCs on MKII telephoto lenses in all of their literature, to the point of making it a strong MkII supertelephoto lens selling feature. Therefore, why would the new pro camera those very lenses and TCs will be used with, somehow cause a step backwards with the TC use/application ?
Oct 18, 2011 at 04:50 PM
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