Canon 17-55 impressions (vs 17-40)

Started Jun 17, 2006 | Discussions thread
Katsoulis Regular Member • Posts: 393
Re: Canon 17-55 impressions (vs 17-40)

Homl wrote:

Is it not sensor blooming from over exposure rather than CA?
My 200f2.8L, a lens with extremely low CA, also display similar
characteristic on overexposed high contrast edges.

Absolutely not. This sort of bloom does not occur with any other of my lenses. Bloom should occur regardless of the lens, correct? Even in the harshest, most contrasty situations, I've never seen my 20D do this before.

Moreover, if you see my other post, you will see that, side by side, the same exposure with the same camera under the same lighting conditions does not produce this sort of problem with a 24-85 lens, but with the 17-55 it is quite apparent.

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