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• Leica L Lens/Full-Frame Format
• Super Multi-Layer Coating
• Aperture Range: F/1.4 to F/16
• Stepping Motor AF System
• Customizable AFL Button
• Physical Aperture Ring; De-Click Switch
• Rounded 11-Blade Diaphragm
• Weather-Sealed Design

A Seamless Connection Between Photographer and Camera

The Sigma BF is more than just a camera—it’s an extension of the photographer's vision. 

Stripped to the essence but packed with power, innovative yet rooted in the origins of photography, it is designed to accompany you throughout your day and to capture the spontaneous beauty of everyday life. 

A large F2.8 aperture zoom lens that need never leave your camera. This exceptionally light, bright, and sharp standard zoom for crop-sensor mirrorless cameras is the ultimate workhorse lens.