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01-23-2011, 01:27 PM   #1
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Which universal zoom? 16-45mm? 16-50mm? anything else?

Hi there everyone.
I need your advice on this issue.
I am shooting with kit lens 18-55 that came with my K-x. K-x is one damn great piece of a camera!

Ok, but I need your advice what to buy.
Should I get a DA*16-50 or the DA16-45 or something else? Help me out please.
I am scared, that there will be some FF or BF problems if I buy a sigma or tamron lens and with K-x I can not correct it easily.

I shoot everything, but this lens should help shoot music performances in clubs, some landscapes, closeups, probably weddings.

I was determined to save for the 16-50, but then I got through all those bad reviews and now I am really confused. help me out, please. Thank you.

01-23-2011, 01:39 PM   #2
Ash
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There is always the question of lens QC issues that hang over every possible purchase you'll make. If you take out insurance, the 16-50 will be the best investment you could make in terms of image quality. Nothing else rivals it in its versatility (WR, build quality and IQ). The Tamron 17-50 is highly acclaimed as well, and some also like the Sigma 17-50 or 18-50 f/2.8 varieties - if you buy them new, you have the liberty of ensuring it works fine without financial loss. Insurance also means that in the case of SDM failure, you have the ability to send the lens back in for free repair.
01-23-2011, 01:39 PM   #3
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I guess your alternatives if you don't want to worry about the SDM are:

Tamron 17-50/2.8
Sigma 17-50/2.8
Pentax DA 16-45/4
Pentax DA 17-70/4

Either the Tamron or the Sigma should be fine. The Sigma also has HSM so you get silent focusing.
01-23-2011, 01:52 PM   #4
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QuoteOriginally posted by joakimfors Quote
I guess your alternatives if you don't want to worry about the SDM are:

Tamron 17-50/2.8
Sigma 17-50/2.8
Pentax DA 16-45/4
Pentax DA 17-70/4

Either the Tamron or the Sigma should be fine. The Sigma also has HSM so you get silent focusing.
Yes, those are excellent alternatives. Keep in mind, the warranties for the Sigma & Tamron products are much, much better than the Penatx warranty--so no insurance is needed.

Also, some of us, like myself, prefer both the Tamron 17-50 & Sigma 17-50, over the Da 16-50. If I were you, I would look at pics from all lenses, read the facts, examine any intangbles in the mix, consider the warranty, and deliberate, carefully.

Best of luck on whatever you get--they are all great choices and this is a most valuable focal range on APS-C.

01-23-2011, 02:01 PM   #5
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I'm quite happy with my 16-45, but for more 'universality' you'd probably be happier with a 17-70. Aside from the Pentax model, Sigma has two versions - I had the older f/2.8-4.5 with my Sony camera and was quite satisfied with its talent, which included nearly 1:2 close focus. Their update is f/2.8-4.0, a touch larger and heavier, and based on reviews a bit less talented but still very good. It has IS inside, which we don't need in Pentax land (nor did my Alpha need it), so the older lens is more than enough.

This is not to downplay the Pentax model, just recollections from my Alpha days!
01-23-2011, 02:12 PM   #6
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I have both the Tamron 17-50 f/2.8 (I use in my studio) and the Pentax DA 17-70 f/4 that I use as my outdoor walk around lens. I find both to be very acceptable lens. If you don't need the speed of the Tamron, I'd recommend the DA 17-70 f/4
01-24-2011, 02:36 PM   #7
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Original Poster
thank you very much for your suggestions.
I read about tamron 17-50 and it looks like a great lens, but I am so scared of a FF/BF problem that it might have with my K-x.
Thats why I think, I am going to buy the pentax 16-45. I dont know how the f4 will behave in rather dark clubs, but according to its price and performance, it should be great.
01-24-2011, 03:54 PM   #8
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f/2.8 does make a significant difference where it matters in low light situations, and if you're going to buy new, then it's worthwhile considering the Tamron. The 16-45 is less suited in dark indoor venues, but it should do reasonably well. All the best with that.

01-24-2011, 08:19 PM   #9
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I have the DA 17-70, and it seems fine as an upgrade over the 18-55 II (which was a great value itself). I did agonize over which of all the usual suspects, mostly covered above, would be best. Do note that the DA 17-70 is SDM only, so if that fails, then you are left with manual focus only. I have not heard of as many SDM failures on the 17-70 as for the 16-50, but I believe that there have been far fewer of the 17-70 sold. I did not need the low light capability so much, so that helped me know the f4 would probably be fine. The extra zoom range up to 70 mm is welcome, but I'm in the 50-70mm range only about 5-10% of the time. I have probably read many of the reviews that you have, and, for me, the DA 17-70 was the best compromise. I believe that all of the lenses compromise or risk something; there does not seem to be an absolute perfect choice, at least not that I could tell. I'm happy with the DA 17-70, but I have only the kit II to compare it to. My $0.02 worth. Thanks. Glenn
01-24-2011, 08:25 PM   #10
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Addendum: I certainly concur with others above that suggest f 2.8 for the low light applications. Would this be an acceptable solution for you: 16-50 plus insurance? Thanks. Glenn
01-24-2011, 09:14 PM   #11
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Tamron 17-50/2.8 is the best deal going by far. Just make sure you get a good copy.
01-25-2011, 03:04 AM   #12
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16-45 is amazing IMO. Indoors I use 16mm 99% of the pics, very sharp. With an external flash it's perfect in any situation. Good near limit also.

I've even taken some good indoor shots with built in flash (long shutter speeds).
01-25-2011, 03:19 PM   #13
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QuoteOriginally posted by fikkser Quote
16-45 is amazing IMO. Indoors I use 16mm 99% of the pics, very sharp. With an external flash it's perfect in any situation. Good near limit also.

I've even taken some good indoor shots with built in flash (long shutter speeds).
really?
that is perfect to hear! I hope it will do well with my Metz-50 flash.
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