At 500mm, the lens will magnify to a satisfying 1:4.9. SQF tables showed Excellent results at 200mm, but sharpness dropped at the longer focal lengths.
Standout Spec: Rotating collar that threads onto the front barrel for positioning filters—unique and useful.
Sigma 500mm f/4.5 EX APO DG
Sigma 50–500mm f/4.5–6.3 APO DG OS HSM
Sigma 150–500mm f/5–6.3 APO DG OS HSM
Tamron 200-500mm f/5-6.3 DI LD