The SIGMA 40mm F1.4 DG HSM (A) for Nikon is a high-performance prime lens designed to meet the rigorous demands of both photography and cinematography. Here’s a detailed overview of its features and specifications:

Key Features

Optical Performance: This lens is engineered to deliver exceptional image quality across the entire sensor, making it suitable for professional use. It incorporates advanced optical technologies, including low-dispersion glass and a Super Multi-Layer Coating that minimizes flare and ghosting.

Design and Build: The lens features a dust and splash-resistant structure, ensuring durability in various shooting conditions. Additionally, the front element has a water and oil-repellent coating, facilitating easier maintenance.

Bokeh Quality: With its rounded 9-blade diaphragm, the lens produces soft and aesthetically pleasing bokeh, enhancing the visual appeal of out-of-focus areas in images.

Autofocus System: The Hyper Sonic Motor (HSM) allows for fast and silent autofocus, which is particularly beneficial for both still photography and video recording