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02-21-2008, 11:21 AM   #1
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Tamron 28-75 f2.8 vs Pentax 18-55 kit lens

Planning the buy the Tamron 28-75 f2.8
I decided to go for this lens after discouraging reviews of the new Da* 16-50

Aside from the Range and Aperture difference over the Pentax 18-55 kit lens. what are the significant advantages of Tamron 28-75 f2.8? like IQ and low light shooting? etc.

any comments appreciated. thank you.

02-21-2008, 11:35 AM   #2
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there are tons of posts regarding the IQ of the tamron lens, and it was selected as best in class, compared to the likes of sigma 24-70 f2.8 etc...

Low light performance cna be deduced directly from maximum apature of the lens. F2.8 works great for low light focusing etc, compared to the kit lens.

You are really comparing apples and oranges when you look at the kit lens vs the 28-75
02-21-2008, 05:38 PM   #3
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If I were you, I'd consider waiting for the Tamron 17-50/2.8, which is supposed to come out in the Pentax mount for the first time sometime in March. Obviously, it's range is closer to that of the 18-55 and in other mounts, it's a very highly regarded lens--up there with the 28-75.

02-22-2008, 02:01 AM   #4
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I've been debating with myself over this lens for a while now...
Apparently it's a stunning perfomer, with very good focal range, but... In my case, I have Tamron 28-200 and I simply find 28 too narow for daily use, that's why I'm inclining to Sigma 24-70...


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