OM1 may refer to:
*
Olympus OM-1
The Olympus OM-1 is a manually operated 35mm single-lens reflex camera. It is part of the Olympus OM system.
History
The first model was presented at photokina in Cologne in 1972 and was called the Olympus M-1. Thirteen years earlier, the relea ...
, a camera
* OM1, a type of
multi-mode optical fiber
Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Multi-mode links can be used for data rates up to 100 Gbit/s. Multi-mode fiber has a fairly large ...
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