Equipped with an inner zoom mechanism, the Sigma 17-40mm f/1.8 DC | Art Lens ensures smooth focusing and high optical performance. The f/1.8 large-aperture standard zoom has a compact and lightweight design that makes it the perfect lens for videographers and brings unmatched specifications to the APS-C format, showcasing Sigma's unique expertise and technological advancement.
Features:
A constant maximum aperture of F1.8 across the entire zoom range
SLD glass to suppress chromatic aberration and coma flare
Lightweight and compact size
Inner zoom mechanism
High-response Linear Actuator technology to suppress focus breathing
