First Looks at Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Lens Image Quality

Image quality, vignetting, flare and distortion test results along with specs/measurements and product images have been added to the Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Lens review page.

One interesting comparison to make is the Sigma 50-500mm OS Lens compared to the Tamron 150-600mm VC Lens. Select the focal length and aperture to base your comparison on.