Selling my 17-40 f/4L for 17-55 f/2.8 IS

Started May 21, 2012 | Discussions thread
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eorlingas
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Selling my 17-40 f/4L for 17-55 f/2.8 IS
May 21, 2012

Hello fellow photogs!

I've found that my current glass lineup is rather limiting (not fast enough, not telephoto enough, etc.). It's been suggested that I should sell my entire current lineup (the few there is) to fund the purchase of two lenses.

Mainly, that I sell my 17-40 f/4L and 28-135 IS to buy both the 70-200 f/2.8L IS and the 17-55 f/2.8 IS. Now, I have zero problem with selling my 28-135 (in fact, I have buyers lined up right now) and with buying the 70-200 (a piece of glass that I've been after for quite a while). However, I have a bit of reluctance with the other pair.

Specifically, I'm reluctant to sell my 17-40 f/4L and to replace it with the EF-S non-L 17-55, even though the reviews have all pointed to 17-55 being the more suitable glass for my 7D. However, three things are pulling me back.

1) The 17-55 vs. 17-40 ISO 12233 crops - the former wins out in most cases, but at f/11, at least to my eyes, the 17-40 is sharper in the centre. I shoot frequently at f/8 and f/11... http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=398

2) Weather sealing. I rarely shoot in the rain, but I do occasionally use the camera in a light drizzle and do sometimes visit humid countries (e.g. Taiwan). The 7D is weather sealed, and so will my new 70-200, but will the 17-55 be more than OK in these situations, or will I end up with a damaged lens more easily than the 17-40?

3) "Dust" problem of the 17-55. According to quite a few posts on the internetz, the 17-55 collects dust under the front lens quite easily. Though at most f/-stops it doesn't affect IQ, it does show up when you stop down further. Is this true? How easy is it to clean under there?

In conclusion, I'd like nothing more than to get a 17-55 f/2.8. It's a faster glass with apparently better IQ than my 17-40 on a cropped body. However, I need that IQ to be consistently better, and not just in certain situations. I'm also worried about the versatility of the 17-55 and whether I can use it in light drizzle or humid locations.

If anyone can alleviate these concerns for me, it'd be much appreciated.

Thanks!

 eorlingas's gear list:eorlingas's gear list
Canon EOS 5D Mark III Canon EF 50mm f/1.2L USM Canon EF 100mm f/2.8L Macro IS USM Canon EF 70-200mm f/2.8L IS II USM Canon EF 24-105mm f/4L IS USM +3 more
Canon EOS 7D
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