Canon EF 8-15mm F4.0L USM Fisheye Specifications
Diagonal Angle of View:
180° (circular) - 175.3° (diagonal fisheye)*
1:5 - 1:2.6
Number of Aperture Blades:
takes filters via holder
83mm (add 2.4mm for full zoom extension)
Ring-USM, Super Inner Cam (inner focusing mechanism with floating elements)
Full Focus Throw:
Dual Pixel CMOS AF:
E-TTL II Distance Information:
focal length and max. aperture not tested, magnifications at 1:5.09-1:2.59
The lens received the TIPA Professional DSLR Lens Award 2012. It features a zoom limiter for APS-C cameras.
*On a full frame camera the lens produces a diagonal fisheye image at 14mm and 15mm, at all wider settings the picture becomes more and more circular. The lens hood will produce additional vignetting, at full frame cameras again starting below 14mm focal lengths.