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05-29-2009, 04:05 AM   #1
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Pentax 16-45mm vs. Tamron 17-50mm

I'm deliberating which one to buy. The price difference is not very significant. Tammy's f/2.8 is very nice, but I understand there are more chances of getting a bad copy (especially with BF or FF). Also from my investigations the Pentax appears to have a nicer bokeh. For me, Tammy's aperture advantage is not essential--otherwise I would not have to deliberate; however, it's not unimportant either. I think the price difference more than justifies this advantage, but bokeh and QC are other factors I want to consider. So, I have some specific questions. I would greatly appreciate it if you could answer any of them:

a) How is the Tammy's bokeh? (Perhaps you can compare it to that of Pentax DA 16-45mm.)
b) Did you get a bad/good copy?
c) Is Tamron's service easy to deal with?
d) Is Tamron 17-50mm much sharper than Pentax 16-45mm?

Thanks a lot!


Last edited by causey; 05-29-2009 at 04:36 AM.
05-29-2009, 09:11 AM   #2
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Have the Tammy before but sold it. Now I have the DA 16-45mm..

Bokeh - Tammy is better
Got a good copy
Service ( no service here in the Philippines )
Sharpness.. I think they are on the same field

The only thing I hate about the Tamron is that my K100D Super is not accurate/consistent with its exposure unlike 16-45mm.

That's why I sold it and got the DA 16-45mm..
05-29-2009, 09:45 AM   #3
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I own & shoot a lot with the Tammy. I am impressed not only by its sharpness, but by its sharpness to the edges. It is very good wide open and extremely sharp by f4.

I do not shoot with the Pentax 16-45, but have seen many images with it. I do not believe it is a sharp as the Tammy at comparable, larger apertures. If you are not in need of the Tammy's speed, then the Pentax should do the job for you.

If you want a few full resolution samples of the Tammy, PM me with an e-mail address & I'll provide them for you. Best of Luck.
05-29-2009, 09:36 PM   #4
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DJey and Jewelltrail, thank you very much for your insights.

05-29-2009, 10:33 PM   #5
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QuoteQuote:
causey:

a) How is the Tammy's bokeh? (Perhaps you can compare it to that of Pentax DA 16-45mm.)
b) Did you get a bad/good copy?
c) Is Tamron's service easy to deal with?
d) Is Tamron 17-50mm much sharper than Pentax 16-45mm?
a) The bokeh of the Tamron is not its strong point, but then it is not a lens used for bokeh. I use it mainly as a landscape lens, although I do take it indoors at times for portraits. I can't compare it to the Pentax 16-45 for bokeh. When I want really nice portrait bokeh, I go to the Tamron 90mm f 2.8. Of course, there are times when you can control the background and therefore can generate better bokeh. Also, if you shoot it wide open you can do nice things with bokeh.

b) I like my copy

c) I never dealt with their service, but will say their 6-year warranty is a large comfort factor

D) I tried to answer this one in my first post.
05-29-2009, 10:47 PM   #6
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a) How is the Tammy's bokeh? I like it.

1/180s, f/4.0, ISO100, 50mm

b) Did you get a bad/good copy? Good

c) Is Tamron's service easy to deal with? Fantastic. Had to send mine in to have a loose filter ring repaired. Round trip to Tamron US was 14 days.

d) Is Tamron 17-50mm much sharper than Pentax 16-45mm? Can't advise there though both render very good color and clarity.
05-30-2009, 01:56 AM   #7
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Jim, very nice picture, with lovely bokeh, indeed. Thank you for the input.
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