Sigma 200mm f/2 DG Sports Review: Swinging for a Home Run

The fixed 200mm f/2 is a very rare and specialized lens. In the DSLR days, there were very few available, and they were all ridiculously expensive. Canon and Nikon both made some very prestigious versions that delivered razor-sharp optics and incredibly shallow depth-of-field. They were also useful for low-light sports and action photography.