Sigma - 17-40mm f/1.8 DC Art with Autofocus and Dual AFL Buttons (Leica L Mount) - Black

28-45MM F1.8 DG DN ART L Mount

Experience the versatility and precision of the SIGMA 28-105mm F2.8 DG DN | Art Lens, a compact yet powerful full-frame zoom lens designed for both wide-angle and telephoto photography. This lens, compatible with Sony E-mount and L-Mount systems, covers a popular focal length range from 28mm to 105mm, including the highly sought-after 85mm focal length ideal for portrait photography. With a fast constant aperture of F2.8 across the entire zoom range, this lens ensures consistent performance in various lighting conditions.The SIGMA 28-105mm F2.8 DG DN | Art Lens is equipped with HLA (High-response Linear Actuator) autofocus technology, delivering swift and precise focusing capabilities. As part of SIGMA's esteemed Art line, this lens promises exceptional optical performance, catering to the needs of both photographers and videographers seeking premium standard zoom options. It features a lockable aperture ring with a click/declick function, two AFL buttons, and a zoom lock switch for enhanced control and flexibility.Built to withstand challenging environments, this lens boasts a dust- and splash-resistant design, along with a water- and oil-repellent coating on the front element, making it suitable for capturing stunning stills and videos even in adverse weather conditions. With a minimum focusing distance of 15.8 inches (40cm) at all focal lengths and a maximum magnification ratio of 1:3.1 at the telephoto end, this lens offers remarkable versatility for diverse shooting scenarios.The lens incorporates a rounded twelve-blade diaphragm, contributing to its compact size while maintaining a large aperture. Advanced optical engineering, including the use of a large-diameter FLD glass element in the first group and five aspherical lens elements, minimizes aberrations and ensures superior image quality throughout the zoom range. Despite its wide zoom range and F2.8 aperture, the lens remains lightweight, weighing under 2 pounds, thanks to the strategic reduction of weight in each component. The lens barrel near the mount is crafted from magnesium, providing durability while significantly reducing weight compared to aluminum.Elevate your photography and videography with the SIGMA 28-105mm F2.8 DG DN | Art Lens, where innovative design meets exceptional performance.

Introducing the world’s widest full-frame constant F2.8 lens at 12-24mm. Spectacular G Master resolution and drastically reduced chromatic aberration is realized from 3x Extreme Aspheric, 1x Aspheric, 2x Super ED (Extra-low dispersion) and 3x ED elements. Nano AR coating II suppresses reflections, flare and ghosting while the constant F2.8 and 9-blade circular aperture delivers on beautiful bokeh. Fast, precise autofocus tracking comes from 4x XD (Extreme Dynamic) linear motors.