Description
The SIGMA 28-45mm F1.8 DG DN Art Lens was developed as a full-frame successor to the SIGMA 18-35mm F1.8 DC HSM Art (for APS-C DSLR cameras), which in 2013 became the first lens in the world to achieve F1.8 throughout the entire zoom range. While offering the convenience of a zoom, this new lens does not compromise on optical performance. By effectively arranging 3 aspherical lens elements and 5 SLD glass elements, this lens suppresses various aberrations and achieves performance comparable to single focal length lenses, even surpassing the SIGMA 24mm F1.4 DG DN Art and SIGMA 50mm F1.4 DG DN Art, which have an established reputation for their optical quality. In particular, the 28-45mm F1.8 DG DN Art focuses on suppressing axial chromatic aberration, which is often noticeable in large-aperture lenses, to achieve images with minimal coloration on both the focus plane and bokeh, and to demonstrate high optical performance from open aperture. The minimum focusing distance is 30cm (11.8 inches) throughout the entire range, and the maximum magnification ratio of 1:4 is achieved at the 45mm focal length. Featuring internal zoom and HLA (High-response Linear Actuator) autofocus, and an optical design that minimizes focus breathing, the SIGMA 28-45mm F1.8 DG DN Art is well-suited for video work, including gimbal setups, thanks to its balanced design. The click or de-click switch and lockable aperture ring are designed to suit a variety of personal capture preferences and the dust- and splash-resistant design also makes it suitable for shooting stills and video out in the elements. World`s First Full-Frame F1.8 Maximum Aperture Zoom LensSIGMA has successfully developed the world`s first full-frame zoom lens with a maximum aperture ofF1.8. The SIGMA 28-45mm F1.8 DG DN Art incorporates an inner zoom mechanism, a minimum focusing distance of 30cm across the entire zoom range, and a filter size of 82mm phi. Despite its advanced feature set, the lens weighs less than 1kg, making it a portable and versatile option for either hand-held shooting or a gimbal setup. Constant Maximum Aperture of F1.8Once a privilege reserved only for prime lenses, the maximum F1.8 aperture allows full-frame camera users to expose hand-held in low light and produce beautiful bokeh while enjoying the flexibility of a zoom. This unique optical achievement has been created through SIGMA`s accumulated optical design experience and advanced production technology at the company`s sole production base in Aizu, Japan. Practical and Stable Inner ZoomEmploying an inner zoom mechanism, the overall length of the lens remains constant when the focal length or focus distance changes. This means the lens is easy to use when shooting hand-held, highly stable when mounted on a tripod or gimbal, and more resistant to dust and water contamination. Consistent Close Focus The minimum focusing distance is a constant 30cm across the entire zoom range, with a maximum magnification ratio of 1:4 at the telephoto end, providing excellent close-up shooting capabilities. As well as offering precise focus in confined spaces, the lens can therefore be used close to a subject without affecting sharpness when using the zoom. Premium Build at a Lighter WeightBy rights, such a fast zoom should be big and heavy, but while the lens`s rigidity and durability protect its sophisticated optical design, this is achieved at a weight of less than 1kg. What`s more, this reliable photographic tool uses a versatile filter size of phi 82mm, meaning no compromise in portability or convenience. | Sigma 28-45mm F1.8 Maximum Aperture DG DN Art Camera Lens with Internal Zoom and HLA Autofocus (L Mount) | Financing Available
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