1.45x Crop for the 7D?
I was sent an email saying that the new 7D will be APS-C, but with a 1.45x crop factor. Apparently this is the limit so that EF-S lenses still work without vignetting.

First appeared on a DPR forum posting, I couldn't find the link.

I have no confirmed source for this one.

Tamron 17-50 f/2.8 VC
Received word that someone bumped into a Tamron 17-50 f/2.8 VC (Vibration Correction) on Adorama's web site. It was retailing for $749. The link has been removed from Adorama's site.

Adorama give it up early?

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268 Comments

  1. I don’t think it’s anything but 1.6

    I’d like it to be FF but looks like not this year :(

  2. Jack Catastrophe on

    there are indeed too many EF-S’s that start at 15, 17 or 18mm:

    18-55 f/3.5-5.6

    18-55 f/3.5-5.6 II

    18-55 f/3.5-5.6 IS

    17-85 f/4.5-5.6 IS

    17-55 f/2.8 IS

    18-200 f/3.5-5.6 IS

    and if the rumour is true then also;

    15-85 f/3.5-5.6 IS

    18-135 f/3.5-5.6 IS

    most boring is that not only there is a considerable focal range overlap among them but also that the great majority of them are f/3.5-5.6 . if the longer ones like 18-200 and 18-135 were possible to design with that maximum aperture, why can’t the shorter ones like 18-55 or 15-85 be f/2.8-4.0 for example?!!! The only fast one is plagued with dust, softness and price-tag problems. Canon keeps on coming up with new designs every know then but fails to ever notice what are the problems with the existing ones, they remind me of a joke that someone whose name was something like “John Catastrophe” kept on changing it to “Jack Catastrophe”, “James Catastrophe” …, without ever realizing where is the problem, funny but tragic in the same time!!

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