Sigma 20mm F1.4 Art DG HSM Lens for Nikon Flash Batteries • Measure white point and

• Measure white point and luminance uniformity over 9 locations on display

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Sigma 20mm F1.4 Art DG HSM Lens for Nikon Flash Batteries • Measure white point andSigma 20mm F 1. 4 ART DG HSM Lens is a full frame lens. This revolutionary prime lens is designed to bring out the full potential of ultra high megapixel DSLR cameras. With a focal length of 20mm and F1. 4 aperture, this lens delivers outstanding large aperture brightness and bokeh. Through decades of experience in lens design and Sigma Global Vision lens craftsmanship, the 20mm incorporates both "F" Low Dispersion (FLD) glass, and five Special Low