MC Mir-20 20mm f3.5 M42 Ultra Wide Angle lens for Zenit Sony Canon Nikon. Nikon mount + interchangeable shank M 42. Front Filter Diameter: 95mm. Type/format: Ultra Wide Angle, Wide Angle. MC Mir-20N can be used on many modern SLR and mirrorless cameras with an appropriate adapter. The lenses are clean, there are no scratches […]