Pancake lens series olympus standard lens mount micro four thirds micro 43 lens speed 8 focal length 15 mm zoom factor 006 times suitable for sensor type four thirds 43 construction prime lens area of use landscape photography close up photography focus manual focus af motor no internal af motor closest focusing distance 30 cm focal length equivalent to 35mm camera 30 mm lens construction groupselements 33 number of aperture blades 1 minimu