Fisheye lens series lensbaby circular fisheye lens mount micro four thirds micro 43 lens speed 35 focal length 58 mm suitable for sensor type aps c construction prime lens area of use landscape photography portrait photography action photography close up photography focus manual focus closest focusing distance 065 cm minimum aperture 22 max aperture 35 length 7 mm lens diameter 7 weight 298 g included in delivery lens cap lens pouch rear