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11-24-2010, 03:55 PM   #1
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Tamron SP 17-50mm f2.8

Hi thinking of purchasing the tamron 17-50 f2.8 for my k10 d. also considering pentax 16-45 and sigma 17-70. Any thoughts on these lenses would help me in my quest. I have Pentax 55-300 and 5omm f1.4

11-24-2010, 10:54 PM   #2
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It's a fantastic lens. I think if you"search" the Tamron 17-50/2.8 here on the forum, you'll find mostly happy owners and some very fine examples of this lens' capabilities. In my opinion, it is the finest, best value for a step-up kit lens replacement. It is sharp, fast, good size and priced nicely.


11-25-2010, 02:38 AM   #3
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I for one have been happy with it: it is sharp right from 2.8 which helps with indoor shots without flash, price is good. Some negatives I have seen mentioned here (but have no personal experience with):

- underexposure with smaller apertures (I have mostly used the larger ones)

- some units have had BF/FF issues (warranty should take care of this, so not too much of an issue if buying new).

- slightly warm color cast (might be a positive, too)

- bokeh quality (matter of opinion, apparently, some like it)
11-25-2010, 02:44 AM   #4
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Heard it's a great lens also but I did also read that the 16-45 is suppose to be similar to the DA* 16-50 in IQ and if that is true that's pretty impressive and I think both are better than the 17-70. I just bought a 16-45 and really hope it lives up to the hype.

12-04-2010, 09:47 PM   #5
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Yea, Went with the Tammy

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