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Old Mar 8, 2007, 3:12 AM   #1
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Which would be better for a D40 ?

Nikkor 18-70mm f/3.5-4.5

Tamron 17-50mm f/2.8

Sigma 18-50mm f/2.8 macro
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Old Mar 8, 2007, 6:16 AM   #2
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The nikkor is the only one of the three that will auto focus. THe others will work, but without AF. Only lenses with internal focus motors will AF with the D40 as it does not have a focus motor in body.
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Old Mar 9, 2007, 2:54 AM   #3
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rjseeney wrote:
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The nikkor is the only one of the three that will auto focus. THe others will work, but without AF. Only lenses with internal focus motors will AF with the D40 as it does not have a focus motor in body.
Ok , let`s say with a Nikon D80 then ?
I still don`t know which of the 2 bodies i`m going to buy ?
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Old Mar 9, 2007, 1:53 PM   #4
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Those lenses will all function with the D80 with AF. The D80 does have an internal focus motor.
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Old Mar 9, 2007, 2:00 PM   #5
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I just saw a preview for PMS and Nikon has a new VR lens for less than $250
See Engadet or uTube video
I think it was a 70-200 VR for the 40x
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Old Mar 9, 2007, 4:52 PM   #6
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It's a 55-200vr, a newer version of the existing 55-200. It really does not fit what the OP was looking for, as it's a telezoom. It is a great price, and it's nice to see that VR is going to be trickling into affordable consumer grade lenses. This will help lessen the advantage that camera's with in body stabilization are touting.
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Old Mar 9, 2007, 7:52 PM   #7
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On the original question, I's say probably the Tamron 17-50 f2.8, but that's not based on any personal experience, it's entirely on reviews, tests, user feedback on the internet.


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Old Mar 10, 2007, 12:46 AM   #8
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.
I have no personal experience with any of the options mentioned but as a general observation would consider the following:

Nikon - slow & variable apature - indicates consumer grade product.

Sigma - seems like mixed reviews in general regarding their QC & only a 1 yr warranty (confidence in their product?).

Tamron - relatively fast - fixed apature, 6 yr warranty.

I know what I'd be inclined to do between these choices . . .

A return policy from your vendor wouldn't hurt either.

Best.


imo

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