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Sigma 18-50mm F2.8 EX DC

18-50f28
Review Date: Nov 23, 2005 Recommend? yes | Price paid: $420.00 | Rating: 9 

 
Pros: F2.8, sharp at>24mm, lightweight, good color and contrast, low price
Cons:
Lens flare, CA and sharpness at 18mm corners, 10-20% focus are missed, does not seem to be real 50mm

I bought this lens since I was disappointed with the color and sharpness of kit lens (18-55mm f3.5-5.6 II). Only few outdoor pictures that satisfied me. I did some test of kit vs. 50/1.8, and the difference of clarity was clear.

Then I bought this Sigma lens. I am happy with its contrast and color, as well as the sharpness in its higher focal length. I shot some night pictures in cafe in Jakarta with low light, combination of f2.8 and ISO1600 is great.

Then I went to KL and shot Petronas at night. CA is clear (after zooming in PC) but acceptable. I shot some pictures in Bandung which I am also happy with its clarity and color.

I was disappointed on its flare when I shot pictures with strong background light.

At the price and weight, this lens is great. But after owning this, I purchased Canon EF 70-200 f4L, which its color, sharpness and much less flare put me in different standard. This lens is now my walk around lens, but I plan to replace (or complement) it by EF 24-105 f4L due to "L addiction", and also to be able to put it in my film EOS 100QD. I still think that its color is close to L, but my wife told me that it is still different.

The build quality is excellent, it is close to L. The hood is even better than L.

If you don't have "L addiction", this is a great walkaround lens for 350D.