| EF8–15mm 4L FISHEYE USM | |
| Maker: | Canon |
| Feat-Is: | n |
| Focusdrive: | Ultrasonic motor |
| Feat-Sbf: | n |
| Feat-Macro: | n |
| Feat-Special: | Fisheye, L-Series |
| Type: | z |
| Application: | Special Effect |
| Flength: | 8–15mm |
| Fov: | 1 |
| Aperture: | 4 |
| Groups: | 11 |
| Elements: | 14 |
| Close-Dist: | 0.16 m (6.2 in) |
| Max-Mag: | 0.34 (at 15 mm) |
| Weight: | 540 g |
| Max-Diameter: | 78.5 mm (3.1 in) |
| Max-Length: | 83.0 mm (3.7 in) |
| Av-Diag: | 180° |
| Start: | 2010 |
| Msrp: | $1,399 |
The EF8–15mm 4L FISHEYE USM is a fisheye zoom lens for Canon digital single-lens reflex cameras (DSLRs) with an EF lens mount. It delivers 180° diagonal angle of view images for all EOS SLR cameras with imaging formats ranging from full-frame to APS-C, and provides 180° circular fisheye images for full-frame EOS models. Announced by Canon in 2010, it features UD glass for suppression of chromatic aberration and a subwavelength coating for reduced ghosting. It has full-time manual focus for instant switching from AF to Manual operation.
This lens broke new market ground in several respects: