Why can't Canon make a 24-70mm f2.8 IS or better yet a 24-100mm f2.8 IS??

Started Nov 14, 2012 | Discussions thread
Lemming51 Forum Pro • Posts: 14,496
Because. ;-)

bobkeenan wrote:

How come. I have the Tamron 24-70 f2.8IS and its great but I wish it have the lens quality that I used to have on the Canon 24-70 f2.8. So I know its technically possible.

I assume that the 24-100 could also be made with f2.8?

Any ideas of why they are avoiding that kind of product?

Obviously, Canon can make a 24-70/2.8 IS or a 24-100/2.8 IS. They choose not to.

WRT the 24-100, it's because f/2.8 and 4x zoom do not mix - at least with large full-frame image circle. f/2.8 and 3x appears to be the practical limit to design (3.25x for APS-C). To be as good and sharp as 24-70 it would be too large and expensive. Keeping cost in check then you get what Tamron tried in the '90s. They had a 28-105/2.8, but it was universally panned as too soft and too heavy.

WRT stabilization, I don't know. 24-70/2.8 is a workhorse for pros, and Canon/Nikon both seem to keep close relations with pros. You'd think if pros were clamoring for it they'd have added it to their new 24-70/2.8s but neither one did.

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