This particular lens has a maximum focal length of 400 mm and a minimum focusing distance of 1.3 m. The lens has a maximum ƒ/5-6.3 aperture and a minimum ƒ/22.
From Photospecialist
Olympus M. Zuiko 100-400mm F/5.0-6.3 IS
HDEW Cameras
Olympus M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
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