System camera camera version lens kit series olympus pen effective pixels 123 megapixel sensor format four thirds sensor type live mos sensor size 17 3 x 13 mm image processor truepic v video hd vga display type lcd display size 3 inch display settings brightness adjustment colour balance lens mount micro four thirds micro 43 lens olympus mzuiko digital 17mm f28 lens types wide angle lens prime lens focal length 17 photo focal length 35mm