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Miljenko Devcic | profile | all galleries >> tech >> Lens reviews and tests >> Nikkor 18-70DX vs Sigma 18-50 f2.8 DC tree view | thumbnails | slideshow

Nikkor 18-70DX vs Sigma 18-50 f2.8 DC

Lately, one of more frequent D70 owners' dilemma: should I by Nikon's own kit lens, or get Sigma's faster newcomer "digital" lens 18-50mm f 2.8. Here are some of my tests performed in paralel on both lenses.
Side by side
Side by side		 Sigma-Nikon_1.jpg
Sigma-Nikon_1.jpg		 Nikon vs Sigma at long end: 50mm
Nikon vs Sigma at long end: 50mm		 Nikon vs Sigma at wide side: 18mm
Nikon vs Sigma at wide side: 18mm
Comparison with 50, 85 and 105 mm primes
Comparison with 50, 85 and 105 mm primes		 Sigma 18-50 vignetting
Sigma 18-50 vignetting		 Sigma18-50 vs Nikkor 18-70
Sigma18-50 vs Nikkor 18-70		 S-N_18-X_compare.jpg
S-N_18-X_compare.jpg
Nikkor 18-70 DX vs Nikkor 85mm f/1.8 prime
Nikkor 18-70 DX vs Nikkor 85mm f/1.8 prime		 Nikkor18-70.jpg
Nikkor18-70.jpg

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Miljenko Devcic04-Apr-2005 07:32
Hi Dany, it happens that I own Nikkor and just borrowed Sigma for testing (as I do with most of the lenses presented here). If I would have to choose one of them for keeping permanently, it would be Sigma, but just by a margin. It has slight edge in sharpness and speed (available light), but on the other hand it lacks that 50-70mm part of the zoom range which is (you can believe me, I used both in real life shooting) needed more that you can assume. Besides, Sigma is more expensive (double the price of Nikkor 18-70 here), but certainly not two times better :)
Guest 03-Apr-2005 11:52
Can you tell me please which one did you choose from both lenses? Thank you in advance. Daniel
Miljenko Devcic08-Mar-2005 07:44
Fred,
all the pic series (by lens) are shot in short sequence with just 5 second time difference. When that particular sequence was shot, the owner was arranging the veggies on the same spot. Watch closely different fruit/vegetables for changed positions.
fred 05-Mar-2005 16:21
The top row in both cases is the better image by far. It is clearly more contrasty, has better color rendition, and is sharper (by a lot). Question however, how did you manage to capture exactly the same motion blurred hand in your f5.6, f11, and f16 shots in the bottom row of the 18mm shot?
click on thumbnails for full image