Olympus E.Zuiko 38mm f/2.8 Auto-S is a manual focus prime lens for half-frame SLR system.
Equivalent focal length is 58.9 mm. The optical scheme comprises 5 elements in 4 groups.
This lens has a size of 14 mm. It is very compact and pocket-size. The weight of this lens is very small (70 grams) and is almost invisible against the background of the weight of the camera.
