The lens features a 20mm focal length and a large F2.8 aperture, providing a bright and expansive field of view. It is composed of 10 elements arranged in 7 groups, including 2 extra-low dispersion (ED) lens elements and 4 short-wavelength, high-transparency lens elements. This optical design delivers exceptional image quality with minimal aberrations and distortion.

The lens is driven by a silent STM (Stepping Motor) focus motor, delivering smooth and precise autofocus performance. The metal construction of the lens body ensures durability and reliability, while the internal focus design maintains a constant lens length during operation.

The electronic aperture mechanism allows for seamless and precise aperture control, enabling users to creatively manipulate depth of field and light-gathering capabilities. This versatile lens is well-suited for a wide range of photographic applications, from landscapes and architecture to street photography and portraiture.

In summary, this 20mm F2.8 lens combines a wide-angle perspective, a fast maximum aperture, and advanced optical and mechanical design elements to deliver exceptional image quality and performance in a compact and robust package.

product information: