Offering creative distortion and exaggerated perspectives, the Canon EF-mount 4.5mm f/2.8 EX DC HSM Circular Fisheye from Sigma produces a circular image with an expansive 180° angle of view. Benefitting the unique look of the lens is an advanced optical design that utilizes one SLD glass element to reduce color fringing and chromatic aberrations for improved clarity. A Super Multi Coating has also been applied to suppress lens flare and ghosting for greater contrast and color accuracy. Additionally, the lens also features a Hyper Sonic Motor for quick and accurate autofocus performance for working with subjects as close as 5.3" away.
- Unique 4.5mm f/2.8 circular fisheye lens is designed for APS-C-format Canon EF-mount cameras. 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, distinct 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-Layer 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 gelatin-type filters.
Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Canon EF
- EF-Mount Lens/APS-C Format
- 7.2mm (35mm Equivalent)
- Aperture Range: f/2.8 to f/22
- One SLD Element
- Super Multi-Layer Coating
- 180° Angle of View
- Circular, Distorted Image
- Hyper Sonic Motor AF System
- 6-Blade Diaphragm
Focal Length 4.5mm (35mm Equivalent Focal Length: 7.2mm) Maximum Aperture f/2.8 Minimum Aperture f/22 Lens Mount Canon EF Format Compatibility APS-C Angle of View 180° Minimum Focus Distance 5.31" / 13.5 cm Maximum Magnification 0.17x Macro Reproduction Ratio 1:6 Optical Design 13 Elements in 9 Groups Diaphragm Blades 6 Focus Type Autofocus Image Stabilization None Filter Size Gel Filter (Rear) Dimensions (ø x L) 3 x 3.06" / 76.2 x 77.8 mm Weight 1.03 lb / 470 g