lens

Hasselblad is a Swedish manufacturer of high-end photographic cameras, lenses, and equipment. It is best known for its storied line of medium format cameras, including the one used on the moon landing during the Apollo program.

Olympus is a brand of photographic equipment managed by OM Digital Solutions. Originally, it was part of the Olympus Corporation, a Japanese manufacturer of photographic and optical products, which is a major player in medical, scientific, and industrial

Pentax is a brand name that the Japanese multinational imaging company Ricoh uses for photography and optics products. Until 2007, Pentax had been an independent company in the photographic industry for close to a century. It merged with Hoya, a Japanese

KamLan is a Chinese manufacturer of affordable photographic lenses. It uses modern manufacturing techniques and designs to produce solidly-built lenses with a classic construction.