Reviews and Problems with Sigma 17-35mm F2.8-4 EX DG ASPHERICAL /HSM
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REVIEW: Sigma 17-35mm f/2.8-4 EX DG
18 August 2007
Conclusion: Sigma have taken their upgrade program to digitally enhanced lenses seriously and used the opportunity well. This lens is a shining example in which they have addressed the criticisms of the older model and put them all right without putting the price through the ceiling. With crop factors on digital SLR’s averaging at 1.6x, this lens come out at a 27-56mm equivalent and makes a useful wide to standard walk-around zoom that retains the ability to do some good quality...
Pros: Quick, quiet autofocus., Good build quality, Useable filter size, Value for money, Best at wide end
Cons: Performance with wide open aperture could be better