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Sigma 17-70mm f/2.8-4.5 Vs. Nikon 17-55mm f/2.8G ED-IF AF-S DX

Chunghoon Kim , Aug 13, 2006; 12:09 a.m.

I was wondering does anyone had a chance to use Sigma's 17-70mm f/2.8-4.5 with Nikon D70s? If so how was the performance? I take lot of pictures in a dark concert type of photos and I'm in the market of buying a f/2.8 speed lens and I know that Nikon 17-55mm f/2.8G ED-IF AF-S DX is a great lens but price is really high... Please let me know if it is even worth it to buy the sigma or should I wait until I have the money to buy the Nikon?... (thank you for taking a time to read and answering my question)

Responses

Yaron Kidron , Aug 13, 2006; 12:29 a.m.

I don't have the Nikkor zoom myself, but if I were you, I would save up.

Ramon V (California) , Aug 13, 2006; 12:43 a.m.

save up. but if you need to get one right now, look into the tamron 17-50mm f/2.8 also and compare it with the sigma.

Akira Sakamoto , Aug 13, 2006; 01:52 a.m.

Hi, Chunghoon,

Here you can refer to the test of Sigma 17-70:

http://www.photozone.de/8Reviews/lenses/sigma_1770_2845/index.htm

and that of Nikon 17-55:

http://www.photozone.de/8Reviews/lenses/nikkor_1755_28/index.htm

Although the camera used for each test is different (Canon EOS 350D for Sigma and Nikon D200 for Nikon), these tests should give you some useful info.

Andrew Robertson , Aug 13, 2006; 03:41 a.m.

If you had a choice between a Hyundai Tiburon and a Mitsubishi Lancer Evolution, which would you take? Would you save up for the Lancer, or would you buy the Tiburon and wish you'd bought the Lancer for the rest of your life?

yoni perlmutter , Aug 13, 2006; 04:47 a.m.

I took some 30 exposures with the Sigma 17-70/2.8-4.5 lens using a D200. I referenced these shots against an AIS20/2.8, AIS50/1.4 and a 24-120/3.5-5.6.

The Sigma lens is quite good, even at the edges from about f5. I got the lens right out of the box from the Sigma importer and used it without filter or its lens shade.

If the edges aren't important to you, than 1 stop less than maxAp produces quality images at all FLs.

At 20mm, it's nearly as good as the prime 20mm. At 50mm it's very good but not a match for the 50 prime. At FLs from 28-35mm it betters the 24-120, from 35-70 it betters by a wee bit the 24-120. Oh, and by the way, from 28-70mm my 24-120 delivers very crisp and contrasty images. I regard it as a highly suitable, usable lens.

Exposures were taken at f4, 5.6 and 8. Distances were < 1M, and just short of infinity. The Sigma lens and the Nikkor were focussed with AF. ISO was 400, the day was bright and hazy, and a 1/2 stop of overexposure was used.

I think photozone (mentioned above) gives an accurate description of this lens. Read Klaus's piece carefully as I think it's the most accurate review (for this lens, at any rate) on the net.

I have no opinion as to whether this lens would suit your requirements. Without ever having seen the Nikkor 17-55, I'm sure it is superior to the Sigma 17-70. Saving your money is always a good idea though no matter which lens you wind up with.

I did not buy the Sigma 17-70 because I did not originally intend to. I went to the importer to check out the Sigma 10-20. This lens I bought.

Good luck with your decision.

Michael Schrag , Aug 13, 2006; 02:04 p.m.

I'd look seriously into Ramon's suggestion. The Tamron 17-50 is a constant f2.8 throughout the range and thus fits your needs (as you described them) better than the Sigma. In addition, it compares very will with the Nikkor 17-55, see: http://forums.dpreview.com/forums/read.asp?forum=1030&message=18754749

Juan Parménides , Aug 15, 2006; 04:29 p.m.

Buy or borrow the Nikon 17-55mm f/2.8G ED-IF AF-S DX . It is better lens. Really it is.

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