For those unable to afford marque primes for every occasion, here's a thread devoted to those invaluable ugly ducklings of the camera world - the independent lens maker. Vivitar, Sigma, Tokina, even Kestrel. Where would we be without them?
Sigma 28-200mm 3.8-5.6, Sigma 28mm 1.8 aspherical, Sigma 75-300mm 4.5-5.6 Apo
Sigma 28-200mm 3.8-5.6, Sigma 28mm 1.8 aspherical, Sigma 75-300mm 4.5-5.6 Apo