Specialized and versatile, the EF 8-15mm f/4L Fisheye USM is a Canon L-series lens offering flexibility to a conventionally niche lens type. Capable of producing both circular and rectangular fisheye effects, this lens is characterized by its notable distortion and rounded image quality along with an immense 180° angle of view at the 8mm position. The optical design incorporates two ultra-low dispersion glass elements to limit chromatic aberrations and color fringing for high clarity and color accuracy, and a Sub Wavelength coating has also been applied to control flare and ghosting for greater contrast.
Balancing the refined optics, this 8-15mm f/4 also sports a ring-type USM mechanism to enable quick, quiet, and accurate autofocus performance, as well as full-time manual focus override. Additionally, this lens is weather-sealed and has a protective fluorine coating on the exposed elements for use in trying environmental conditions.
Canon EF 8-15mm F/4L Fisheye USM Specifications
| Focal Length | 8 to 15mm |
| Maximum Aperture | f/4 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon EF |
| Format Compatibility | Full-Frame |
| Angle of View | 180° to 175° 30′ |
| Minimum Focus Distance | 5.91″ / 15 cm |
| Maximum Magnification | 0.34x |
| Optical Design | 14 Elements in 11 Groups |
| Diaphragm Blades | 7, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Filter Size | Gel Filter (Rear) |
| Dimensions (ø x L) | 3.09 x 3.27″ / 78.5 x 83 mm |
| Weight | 1.19 lb / 540 g |
| Package Weight | 2 lb |
| Box Dimensions (LxWxH) | 7 x 5.6 x 5.4″ |
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