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10-30-2013, 06:25 AM   #16
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QuoteOriginally posted by shaX 07 Quote
By "C" do you mean the third generation of that lens? This is the one I have been leaning towards.
Yes, "C" = "Contemporary", the latest version, which is the one I have.

Sigma 17-70mm F2.8-4 DC MACRO HSM

10-30-2013, 06:39 AM   #17
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When I'm going out, and I don't know what I'll be shooting, I put the 18-135 wr on. That lens constantly surprises me. It's not perfect for anything but it is good enough for nearly every occasion and I really enjoy the challenge of thinking my way around it's limitations.
10-30-2013, 06:39 AM   #18
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It depends want u want, conditions and personal opinions. Mylself i like sigma 30, sigma 17-70, tamron 17-50, tamron 18-200 and even 18-55 cos its wr sometimes. If da 18-270 would have wr i would buy it for this purpose. But now i been thinking to get da 18-135 wr also, no need for tammy 18-200 or da 18-55 wr anymore. So what is left if want to use only one lens in myopinion is
1. Da 18-135 wr (planning to buy myself)
2. Tammysigma 17-50/sigma 17-70
3. Sigma 30 1.4 (or da35 or fa 31...), so called normal lenses for digital, nice IQ, good in low light, feet zoom
10-30-2013, 07:31 AM   #19
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For a walk around lens, I wouldn't recommend anything but an DA 18-135. For a number of reasons, it's water proof, I don't have to put it back in the bag walking through mist or light rain, or worry about dust. For a lens that's likely to be hanging around my neck but not in use a lot of the time, those kinds of things are important. And I use it at 135. My wife has the Sigma 18-250, and in comparison, 135 is just manageable in a lot of situations. But the 18-250 isn'tWR or dust proof and doesn't have the same flat out lw/ph the 18-135 has.

The DA 18-135 from 20 to 50 is like a stack of primes and it remains centre sharp right to 135, also rare for a walk around zoom. And compared to a lens like the 17-70, it's only a half stop to a stop slower. There are very few instances where you can't crank your ISO up a stop without penalty.

I like that the 17-70 has macro, but zoom macro just isn't up to prime standards in any lens I've ever seen. For macro,I'm going with a SIgma 70 or a Tamron 90 or Pentax 100WR. Once you've used one of those, you probably won't use any zoom macro again. The Sigma 18-250 (which is also macro) has great reach, or a DA 18-135 (which has acceptable reach are our choices. The lack of reach for a walk around lens in many circumstances would be disturbing. At least for me. Buying the Tamron 17-50 as a walk around turned out to be a no go. It's the 18-250 that's on Tess' camera when we go out. ANd 18-135 on mine. The Tamron 17-50 is in the bag for when we want higher IQ.

But hey, that's just us. I have no idea how you shoot.

Last edited by normhead; 10-30-2013 at 09:06 AM.
10-30-2013, 09:02 AM   #20
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I've had both a Tamron and Sigma 28-300, and I sold them. I've found the 18-135 serves me best as a walk around lens, even though I have the Tamron 17-50. That 18-135 has works for most situations and is wide enough to get the job done, and like normhead said it is sharp, waterproof, and you can bump the ISO a little if you're concerned by low light.

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