The Canon EF 8-15mm f/4L Fisheye USM is a professional-grade L-series lens designed for photographers and videographers seeking unique, ultra-wide perspectives. This lens offers both circular and full-frame fisheye effects, providing creative flexibility for various shooting scenarios.
Focal Length: 8–15mm
Maximum Aperture: f/4
Lens Mount: Canon EF
Format Compatibility: Full-frame and APS-C sensors
Angle of View: 180° at 8mm (circular fisheye on full-frame)
Optical Design: 14 elements in 11 groups, including two ultra-low dispersion elements to minimize chromatic aberrations
Coatings: Sub Wavelength Coating (SWC) to reduce flare and ghosting; fluorine coating on front and rear elements for easy cleaning
Autofocus: Ring-type Ultrasonic Motor (USM) for fast, quiet, and accurate focusing
Manual Focus: Full-time manual focus override
Build Quality: Weather-sealed construction for reliable performance in challenging conditions
Circular Fisheye Effect: At 8mm on full-frame cameras, achieve a 180° circular image, ideal for artistic and experimental photography.
Full-Frame Fisheye Effect: At 15mm on full-frame cameras, fill the frame with a 180° diagonal angle of view, suitable for immersive landscapes and architecture.
APS-C Compatibility: On APS-C cameras, the lens provides a 12.8–24mm equivalent focal length, offering ultra-wide coverage with pronounced distortion.