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4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Canon EF
Product Description
Offering creative distortion and exaggerated perspectives, the Canon EF-mount 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens 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, as well as a Super Multi Coating to suppress lens flare and ghosting. 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.
| Performance | |
| Focal Length | 4.5mm |
| Aperture | Maximum: f/2.8 Minimum: f/22 |
| Camera Mount Type | Canon EF |
| Format Compatibility | APS-C |
| Angle of View | 180° |
| Minimum Focus Distance | 5.31" / 13.5 cm |
| Maximum Reproduction Ratio | 1:6 |
| Optical Design | 13 Elements in 9 Groups |
| Diaphragm Blades | 6 |
| Features | |
| Autofocus | Yes |
| Physical | |
| Filter Thread | Rear: |
| Dimensions (DxL) | Approx. 3.00 x 3.06" / 76.2 x 77.8 mm |
| Weight | 1.03 lb / 470 g |
| Warranty Length | |
| USA Warranty Extension |
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