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10-06-2010, 05:24 PM   #1
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18-200mm Lens for the K100D?

Greetings All, I'm trying to figure out what would be the best 18-200 mm lens (without breaking the bank) for my K100D? Any suggestions......
Appreciate any help.

10-06-2010, 05:55 PM   #2
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Sigma and Tamron both make an 18-200mm f3.5-6.3 lenses. I can only speak for the Sigma, which is a decent all around lens. It is a little soft @ 200mm but it makes up for it with not having to change lenses in some situations. These lenses don't break the budget either, however if you'd like to invest in a better all-in-one zoomer, consider the Tammy or the Pentax 18-250mm.
10-06-2010, 06:11 PM   #3
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Same for me with the Sigma, mine was a Quantaray label through Ritz. It worked very well with my 10-Mpixel Sony, and the size/weight advantage prompted me to sell my Tamron 18-250. Both were too similar in IQ to quibble, so for me compact won over the extra 50mm. I decided that 14M might be too much for it to handle so didn't replace it when I went to the K-7, but it sure was handy! For a K100d it would be very nice.. if you get a good copy, so buy somewhere with a good return policy.
10-06-2010, 06:45 PM   #4
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I have the tamron version and its pretty much the same as the sigma. Good but not great IQ and it definitely does make up for it in convenience. If I am on a hike or at the beach (places I do not want to change lenses) this lens stays on the entire time.

As for IQ, again it is good but not great and certain apertures produce better IQ than others so I'm sure you can play around with it to find the sweet spot.

So for the $ of either the Tamron or Sigma I think these are really good lenses.

10-06-2010, 08:07 PM   #5
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Many Thanks
10-06-2010, 08:35 PM   #6
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FYI-tamron has a $100 rebate on their 18-200mm lens if you buy from an authorized retailer by Oct. 11. Depending on where you buy from you can get the cost under $200.
10-06-2010, 09:21 PM   #7
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Here are a few samples of the Tamron lens just so you get an idea of what to expect.





10-07-2010, 04:24 AM   #8
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Adorama has this lens for $204 with rebate. Your photos look very crisp and clear.Looks like a great deal for the $. I appreciate your help, thanks!

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