Sigma 50-500mm f/4.5-6.3 DG APO OS HSM lens

The Sigma 50-500mm f/4.5-6.3 DG APO OS HSM, often referred to as the 'Bigma' by enthusiasts, is a high-performance telephoto zoom lens. Sigma is a family-owned Japanese company that remains one of the few major optical manufacturers to produce its products almost entirely within Japan, specifically at its Aizu factory in Fukushima Prefecture.

Founded in 1961 by Michihiro Yamaki, Sigma Corporation has grown from a small family business to the world’s largest independent lens manufacturer. The brand is known for its craftsmanship and technical innovation, offering lenses that are compatible with various camera mounts, including the Nikon mount shown in the image. The company remains under the control of the Yamaki family, maintaining its heritage of Japanese precision engineering.