Sigma 20mm f/1.4 DG DN Art Lens for L Mount with Essential Kit #414969 EK

An Art level 20mm f/ 1.4. The ultimate lens for astrophotography Highest optical performance on a new level Designed for perfect results even in the most demanding conditions Superb build quality and usability with uncompromising attention to detailOutstanding optical quality and a range of invaluable featuresThe ultimate astrophotography lens from the 20mm F 1.4 pioneerThe F 1.4 series represents the SIGMA Art line, which pursues the highest optical performance and rich expression. The full-frame SIGMA 20mm F 1.4 DG DN | Art is a mirrorless version of the SIGMA 20mm F 1.4 DG HSM | Art; the one and only lens with its unique specification of maximum aperture of 1.4 and an ultra-wide angle of 20mm.

This lens offers photographers overwhelming optical performance and unlimited potential for ultra wide-angle creativity at a compact physical size. The exceptional F 1.4 brightness and the breathtaking sharpness across the entire image even at maximum aperture make this lens the ultimate choice for astrophotography. In nightly darkness and focused to infinity, the 20mm F 1.4 DG DN | Art captures stars in the sky as clear, precise pinpoints of light. State-of-the-art optical design and the large, high-precision double-sided aspheric glass front element made it possible to add a front filter thread without any compromises regarding optical performance or size.

The addition of other invaluable features such as a rear filter holder and a variety of useful switches further increases the creative possibilities and easy usability of the lens. Its incredible sharpness and very bright aperture, coupled with the compact body and thoughtful features, make the SIGMA 20mm F 1.4 DG DN | Art the ultimate lens for astrophotography and an ideal companion for any photographically demanding situation. Highest optical performance on a new levelThe SIGMA 20mm F 1.4 DG DN | Art delivers exceptionally detailed results that easily satisfy the high demands of professional photography and other high-end applications.

With 17 glass elements arranged in 15 groups, including two SLD, three aspherical glass elements and the largest class double-sided aspherical glass element in SIGMA's history, the 20mm F 1.4 DG DN | Art rigorously suppresses various optical aberrations such as sagittal coma flare or image distortion to produce highly-detailed images with exceptional sharpness and accuracy from the center to the furthest corners, allowing photographers to make use of the entire field of view afforded by its ultra-wide viewing angle. This ultimate astrophotography lens is the culmination of the unparalleled manufacturing technology of SIGMA's sole production base in Aizu, Japan, as well as the company's know-how and experience with large-aperture wide-angle lenses, such as the SIGMA 20mm F 1.4 DG HSM | Art, the SIGMA 14mm F 1.8 DG HSM | Art and the SIGMA 14-24mm F 2.8 DG DN | Art.

Designed for perfect results even in the most demanding conditionsSIGMA's outstanding design and high-precision manufacturing capabilities made it possible to equip the SIGMA 20mm F 1.4 DG DN | Art with a front filter thread despite its very large F 1.4 aperture and 20mm ultra-wide viewing angle. The lens also comes with a rear filter holder, allowing photographers the freedom to combine multiple filters to suit a huge variety of shooting situations for near-unlimited creative potential at an ultra-wide viewing angle-for example, using a front filter to reduce light pollution and a softening filter on the rear to take impressive photographs of nightly landscapes with star-filled skies.

The new MFL (Manual Focus Lock) switch to turn off the focus ring makes it easier to concentrate on the shoot without worrying about accidentally changing the focusing distance