Voigtlander Nokton 42.5mm F0.95 is a Manual Focus (MF) 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 f0.95 at 43mm, this lens is very fast.
Voigtlander Nokton 42.5mm F0.95 is not a weather sealed lens, so you have to be extra careful against rain and dust.