Zenit (Russian: Зени́т) is a Soviet camera brand manufactured by KMZ in the town of Krasnogorsk near Moscow since 1952 and by BelOMO in Belarus since the 1970s. The Zenit trademark is associated with 35 mm SLR cameras. Among related brands are Zorki (Watchful) for 35 mm rangefinder cameras, Moskva (Moscow) and Iskra (Spark) for medium-format folding cameras and Horizon for panoramic cameras. In the 1960s and 1970s, they were exported by Mashpriborintorg to 74 countries.

Krasnogorsky zavod is a Russian factory in Krasnogorsk near Moscow which specializes in optical technology. Part of Shvabe Holding.