The fixed 15mm focal length equates to 30mm in 35mm terms and offers a wide-angle field of view. The aperture is also fixed at f/8 and as the lens is only 9mm in length the complete camera and lens combo will fit in a large pocket. That makes it an interesting option for discreet street photography and photojournalism, or for photographers who like taking their Micro Four Thirds camera everywhere.Its diminutive proportions don’t leave a lot of room for glass however and the Olympus 15mm 1:8.0 body cap lens features an arrangement of just three elements and no