The Sigma 10-18mm f/2.8 DC DN Contemporary Lens for FUJIFILM X is an ultra-wide-angle zoom lens designed specifically for APS-C mirrorless cameras. Here’s a detailed overview of its features and specifications:

Key Features

Compact and Lightweight Design: This lens is recognized as the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras, measuring 72.2mm in diameter and 62.0mm in length, with a weight of only 260g. This makes it highly portable, ideal for travel and outdoor photography.

Versatile Focal Range: The lens covers an effective focal length of 15-27mm in 35mm equivalent, making it suitable for a variety of applications including landscapes, architecture, and vlogging.

Bright Constant Aperture: With a maximum aperture of f/2.8, it provides excellent low-light performance and allows for creative depth-of-field control, enhancing bokeh effects in images.

High Optical Quality: The lens construction includes 13 elements in 10 groups, featuring three FLD (F Low Dispersion) elements, one SLD (Special Low Dispersion) element, and four aspherical elements. This design minimizes aberrations and ensures sharp, high-resolution images across the frame.

Minimum Focusing Distance: It has a minimum focusing distance of 11.6 cm (approximately 4.6 inches), allowing for close-up photography with a maximum magnification ratio of 1:4 at the wide end.

Unique Push-On Petal Type Hood: The newly developed hood design is compact and easy to attach, enhancing the lens's portability while reducing the risk of flare.

Fast Autofocus: Equipped with a stepping motor, the lens offers quick and accurate autofocus performance, which is beneficial for both still photography and video recording.

Designed for Video: The lens minimizes focus breathing, which is crucial for video work as it maintains a consistent angle of view during focus shifts. This feature makes it particularly suitable for content creators who require smooth transitions in their footage.