Panasonic 42.5mm F1.7 OIS is an Auto Focus (AF) Standard Prime lens with FourThirds max sensor coverage. When mounted on a FourThirds sensor camera, it will give you an FF equivalent focal range of 86mm. Providing a max aperture of f1.7 at 43mm, this lens is very fast.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Panasonic 42.5mm F1.7 OIS is not a weather sealed lens, so you have to be extra careful against rain and dust.