Sigma 17-70 vs Nikkor 35-70

Started Feb 24, 2006 | Discussions thread
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Miljenko Regular Member • Posts: 368
Sigma 17-70 vs Nikkor 35-70

In previous test http://forums.dpreview.com/forums/read.asp?forum=1030&message=17192261 Sigma 17-70 was compared to Sigma 18-50 f2.8. Comparison was not completely adequate as 18-50 doesn't extend it's focal range enough to be compared. Besides, it's performance at 35 and 50 mm was not up to 17-70 results. In order to evaluate 17-70 properly, I have performed additional test, comparing it to Nikkor 35-70 f2.8 AF-D. Shooting subject was the same as in 17-70 vs 18-50 comparison, settings were the same, except for the cloudy weather. 100% crops were done at the pic center and at the left pic edge. Due to 6 large files, I'm just publishing links to original test pics. Comparison at 35 mm focal length: At center http://www.pbase.com/miljenko/image/56460060/original
At the edge http://www.pbase.com/miljenko/image/56460061/original

Comparison at 50 mm focal length: At center http://www.pbase.com/miljenko/image/56460062/original
At the edge http://www.pbase.com/miljenko/image/56460063/original

Comparison at 70 mm focal length: At center http://www.pbase.com/miljenko/image/56460064/original
At the edge http://www.pbase.com/miljenko/image/56460065/original

Sigma 17-70 competes nicely with this highly appreciated Nikon zoom. In some instances it even outperforms it, mostly when it comes to contrast and saturation where the Nikkkor 35-70 is considered as the top notch lens.
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Best regards, Miljenko
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