Specifications, comparison, reviews,
MTF-charts for lenses by Canon,
Nikon, Sony, Pentax, Olympus,
Sigma, Tamron, Carl Zeiss, etc.
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Owner reviews: Sigma AF 18-50 mm f/ 2.8-4.5 DC OS HSM
Half stop wider than Canon's kit lens.
HSM silent and fast motor.
Mine showed a yellow cast in some prictures in certain situations.
I used this lens as a natural upgrade from my Sigma 18-50mm f/3.5-5.6 DC lens.
I gained half a stop, it is also a sharper lens than the previous Sigma I mention.
Then, in some pictures a yellow cast in colors could be seen in indoor pictures. I did some other test and finally sold the lens and moved to another lens.
This lens is very affordable.