Re: another digi camera (SLR) thread
I wouldn't say all Sigma APO lenses are of equivalent quality to L glass. I tried a couple of Sigmas in Jessops the noise from the AF was enough to wake the dead. I borrowed a Tamron 18-200 F/3.5-6.3 XR Di II , stunning lens, I've ordered one and decided to give away my 90-300mm USM (worst lens ever).
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