Canon EF body + Olympus OM lens
COMPATIBLE MF MA
All clear, OM lenses have no issues with EF cameras.
The flange focal depth of the OM system is 46mm, which means that the adapter ring has to bridge a 2mm gap. The locking lever is situated on the housing of the lens, so it can be easily released from the adapter.
Find your adapter here:
Although the OM lenses have parts that hang over the bayonet lock, they don't interfere with the mirror even on most fullframe bodies.
This adapter type has chipped versions too, which provide digital focus confirmation for the camera. If you'd like to read more about the limitations of adapter chips, this article can help you.
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