Features:-

Exceptional Image Quality: Renowned for its outstanding sharpness, contrast, and minimal
distortion, even at the widest apertures.

Constant Aperture: A fast f/1.8 maximum aperture throughout the entire zoom range allows for excellent low-light performance and shallow depth of field control.

High-Quality Construction: Built with a robust and weather-sealed design, making it suitable for challenging shooting conditions.

Hyper Sonic Motor (HSM): Ensures fast, quiet, and accurate autofocus.

Rounded Diaphragm: Creates smooth and pleasing bokeh (background blur).

Specifications:-

Focal Length: 18-35mm

Maximum Aperture: f/1.8

Minimum Aperture: f/16

Lens Mount: Available in various mounts (Canon EF-S, Nikon DX, Sigma SA, etc.)

Image Stabilization: No

Filter Size: 77mm

Dimensions: 86.6 x 112.8mm

Weight: 810g