Offering a truly wide field of view for Leica M-mount rangefinder cameras, the Super-Elmar-M 18mm f/3.8 ASPH. Lens is a super wide-angle prime characterized by its sophisticated optical design and compact form factor. Utilizing one double-sided aspherical element, spherical aberrations and distortions are minimized and sharpness is maintained throughout the aperture range. The aspherical element also contributes to a compact form factor, and the manual focusing design permits working with subjects as close as 2.3' away.