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PostPosted: Thu Sep 06, 2007 1:00 pm 
Hi,

This is my first time on the forum and I wanted to ask some questions on the review of the Canon EF-S 17-85mm lense.

I am new to DSLRs but already have a canon SLR (300v) so some of the Colour abberations and light fade? etc you mentioned are new to me.

I am expecting delivery very soon of a Canon 400D with the 17-85 lense.

How apparent are these issues with the lense on a 400D?
Will I notice CAs all the time in wide angle photos? and the same with light fade - I couldn't really see what the reviewer was describing when talking about this.
Are these only a problem when zooming and cropping?


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PostPosted: Sat Sep 08, 2007 4:32 pm 
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Hello tcs, and welcome to the Camera Labs forum!
You've certainly read Gordon's review of this lens. Another professional review came almost to the same conclusion: "the build quality is somewhat disappointing and optically it is also something of a mixed bag" (copyright Klaus Schroiff). There is also a very revealing shot showing very prominent CAs. As this occured not against bright sky but within the structure of a building I would not underestimate the problem of color fringing!

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Last edited by Thomas on Mon Sep 10, 2007 5:51 pm, edited 1 time in total.

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PostPosted: Mon Sep 10, 2007 10:34 am 
tombomba - I think that was my point - I am not a pro and so will my less critical and demanding eye be so aware of these issues?
What is light fall off? I couldn't spot it in Gordon's images.

I have now had a weekend playing with the 400d and 17-85 lense and haven't downloaded any of the images yet but so far everything looks good - even when zoomed into the images.


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PostPosted: Mon Sep 10, 2007 5:54 pm 
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tcs, did you look at the pic in Klaus' review? You can judge by yourself, whether this fringing is bad "enough" for you to shy away from this lens!
Finring can be very prominent and distracting at high contrast lines!

Light fall-off in my opinion is nothing that I would rest my decision for/against a lens on. There are more important issues (to me).

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PostPosted: Tue Sep 18, 2007 10:26 pm 
tcs, I am also not a pro, and I tell you, the purple fringing was the first thing I noticed with my pictures taken with 400d+17-85!


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