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04-06-2011, 01:28 PM   #1
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Sigma 18-50 v DA* 16-50?

Hi guys. I wonder if I can pick your brains?
I am in a quandary (entirely of my own making I may add). I already own a Sigma DC 18-50 Ex Macro and am quite happy with the results but am wondering if getting the DA* 16-50 would be a better option.
Simple question: What do you think?
Thanks in advance.

04-06-2011, 02:25 PM   #2
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The EX version is supposed to be the best od Sigma offerings in this range. If you are happy with it, why do you seek replacement? How about complementary lens? Wider, longer, faster or true macro?
04-06-2011, 02:28 PM   #3
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why not go for the Sigma 17-50?
04-06-2011, 02:31 PM   #4
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16-50 is waterproof. Is that important?

04-06-2011, 02:39 PM   #5
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I had the previous version of the Sigma that was nice. I doubt the difference is significant, other than 2mm at the wide end.
04-06-2011, 03:39 PM   #6
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The new 17-50 Sigma is a new optical design and meant to be far better than the older 18-50. So although there's only 1mm difference, but that's not the reason why the 17-50 is much better.
04-06-2011, 04:15 PM   #7
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stabilized and better for roughly the same price... That is hard to believe. Anyway the spread and inconsistency betwen good and bad copies of lens of this type is big. there is no guarantee that newer will be better. Likely worse if he has a god one of the 18-50 type
04-06-2011, 05:27 PM   #8
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16mm.... huge different from 18mm (every mm counts towards the wide end).

04-06-2011, 06:33 PM   #9
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how do you feel about SDM reliability?
04-06-2011, 08:06 PM   #10
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I had the Sigma 18-50 Macro, and after I got my DA 50-135, I sold it and got the DA 16-50.

The Sigma wasn't bad, but SDM is so quiet and the weather resistance is nice.

The Pentax has better bokeh I think, and better colors. The Sigma just seemed more cooler/green and just a little off compared to my other Pentax lenses.
04-07-2011, 02:43 AM   #11
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Original Poster
Thanks for your input chaps.
I haven't mentioned but I do have a variety of lenses which cover a variety of focal lengths. I take a lot of shots with the awesome DA 12-24mm. I also have a true macro in the form of Lester A Dine 105 mm. In addition I am about to acquire the DA* 50-135 - it's waiting for me in the USA and will collect it when I go there next month (I will then sell the Sigma 50-150). Oh, and I also have the incredible FA 31 Limited.
So it is not really a case of needing a lens but the old disease, also known as LBA! The question that I have is whether the 16-50 will give me an added advantage.
Cheers.
04-07-2011, 02:45 AM   #12
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QuoteOriginally posted by garethwebber Quote
16-50 is waterproof. Is that important?
The weather proofing would be nice. Will go well with the weather proof K5.
04-07-2011, 07:30 AM   #13
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QuoteOriginally posted by Naim Khan Quote
I haven't mentioned but I do have a variety of lenses which cover a variety of focal lengths. I take a lot of shots with the awesome DA 12-24mm. I also have a true macro in the form of Lester A Dine 105 mm. In addition I am about to acquire the DA* 50-135 - it's waiting for me in the USA and will collect it when I go there next month (I will then sell the Sigma 50-150). Oh, and I also have the incredible FA 31 Limited.
If the situation is as such then I understand that you want to give it a try. I experienced a good copy of the DA*16-50 and that lens was truly fantastic. Even image edges were surprisingly sharp (not for pixel pepers, but very satisfactory for prints) at 16mm f2,8. I loved the contrast it gives.
But do not sell the old one until you are sure you want to keep the new.
04-07-2011, 08:14 AM   #14
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I think a Tammy 28-75 would be better suited.
04-07-2011, 12:34 PM   #15
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QuoteOriginally posted by Naim Khan Quote
Thanks for your input chaps.
DA 12-24mm.
DA* 50-135
FA 31 Limited.
Given those lenses you have I would not buy the 16-50.
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