Category: Sigma
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Comparison of 80-200mm zooms
DPreview has a good comparison of 4 zoom lenses opening at f/2.8 for SLR cameras: Canon 70-200mm F2.8 L IS USM Nikon AF-S VR 70-200mm F2.8 G Sigma 70-200mm 1:2.8 EX DG Apo Macro HSM II Tamron 70-200mm 1:2.8 Di LD (IF) Macro Since they are one of the most coveted segment of the SLR…
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Web sites for lens reviews
It is often difficult to group lens reviews in order to compare/evaluate a little more than their mere physical characteristics (focal length, aperture/diaphragm, or even number of individual lenses). But how would you evaluate/review optical quality? When I see the really impressive differences between two lenses, I would be prepared to judge from their price,…
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Sigma SD15, already too late?
The dSLR market is a tough one. Canon and Nikon have the largest part of the money pie here with very large catalogs of cameras aimed at all possible customers (from $600 to more than $5000). Sony arrived later to grab its own share and seems to be succeeding thanks to its Minolta heritage (it…