Panasonic Leica Macro 45mm F2.8 OIS is an Auto Focus (AF) Macro Prime lens with FourThirds max sensor coverage. When mounted on a FourThirds sensor camera, it will give you an FF equivalent focal range of 90mm. With a max aperture of f2.8, this is a fast lens.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Panasonic Leica Macro 45mm F2.8 OIS is not a weather sealed lens, so you have to be extra careful against rain and dust.