A incredibly fast and optically refined wide-angle prime, the leica DG Summilux 12mm
f/1.4 ASPH. Lens from panasonic is a 24mm equivalent lens designed for Micro
Four Thirds digital cameras. Characterised by its truly bright f/1.4 maximum
aperture, this lens is ideal for working in low-light conditions and also
affords a wealth of control over focus placement for using shallow depth of
field techniques. The optical design employs a pair of aspherical elements, two
ultra extra-low dispersion elements, and one extra-low dispersion element in
order to control both spherical and chromatic aberrations for a high degree of
sharpness and clarity from edge to edge. Benefitting the optical assets, this
lens also incorporates a smooth and quiet autofocus motor that is well-suited
to both stills and video recording, and a manual AF/MF switch lends direct
focus mode adjustment for more intuitive handling. Additionally, the all-metal
construction of the lens is also weather-resistant in order to permit working
in trying environmental conditions. Pairing leica's design legacy with
panasonic's technological innovation, this versatile wide-angle prime is
distinguished by both its optical merits as well as intuitive handling and
contemporary functionality.