The Canon EF 8-15mm f/4L Fisheye USM is a specialized and versatile lens in the renowned L-series, offering flexibility in a typically niche lens category. It allows you to create both circular and rectangular fisheye effects, producing distinctive distortion and rounded image quality. With an impressive 180° angle of view at the 8mm focal length, this lens provides an immersive perspective. The optical design incorporates two ultra-low dispersion glass elements, effectively minimizing chromatic aberrations and color fringing to ensure exceptional clarity and color accuracy. Additionally, a Sub Wavelength coating is applied to control flare and ghosting, resulting in improved contrast.
In addition to its exceptional optics, the EF 8-15mm f/4L Fisheye USM features a ring-type USM mechanism, delivering quick, quiet, and precise autofocus performance. It also offers full-time manual focus override, allowing for precise control. Furthermore, the lens is weather-sealed for durability in challenging conditions, and it boasts a protective fluorine coating on the exposed elements, enhancing its resistance to dust, moisture, and smudges.