Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for EF Mount

The Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for EF Mount is a lens that gives a creative distortion and exaggerated perspective to your photos. With the Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for EF Mount, provide your images with a circular and expansive 180° angle of view. The Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for EF Mount offers an advanced optical design, utilizing one SLD glass element which reduces color fringing and chromatic aberrations for improved clarity. Additionally, the lens features a Super Multi Coating which suppresses lens flare and ghosting, as well as a Hyper Sonic Motor for quick and accurate autofocus performance. This lens is ideal for working with subjects as close as 5.3" away. 

Key Features

• Unique 4.5mm f/2.8 circular fisheye lens is designed for APS-C-format Canon EF-mount DSLRs where it provides a 7.2mm equivalent focal length.
• Expansive 180° angle of view pairs with the fisheye design to render circular imagery within a black frame. This design also renders scenes with exaggerated distortion and curved lines for a creative, true "fisheye" aesthetic.
• One SLD glass element is featured in the optical design to reduce chromatic aberrations and color fringing for improved clarity and color accuracy.
• Super Multi Coating has been applied to individual elements to suppress flare and ghosting for improved contrast and color when working in strong lighting conditions.
• Hyper Sonic Motor autofocus system, and an internal focus design, offer fast, precise focusing performance for working with subjects as close as 5.3" away.
• Rear slot accepts cut, insertion-type gelatin filters.