The Canon EF 8-15mm F 4L Fisheye USM Lens is the best choice for filmmakers and photographers for extreme wide angle and fisheye photography. What makes this Canon ultra wide zoom lens the world’s widest fisheye zoom lens is its unique focal length range.

• Best optics, fine construction, and enhanced performance of this Canon fisheye lens stimulates your creativity and opens ways for new trends in photography
• Meeting the standards of Canon L-series of lenses, it helps deliver stunning images with ease
• With all EOS SLR cameras, you can view images at 180 degree diagonally in formats from full-frame to APS-C
• This Canon fisheye lens produces 180 degree circular fisheye images with full-frame EOS models
• To reduce chromatic aberration, this lens comes with an UD glass and also has a Subwavelength to suppress ghosting
• It is also possible to keep the soiling, smears, and fingerprints to a minimum as this  Canon ultra wide zoom lens comes with Fluorine coating
• The full-time manual focus option enables you to switch immediately from AF to manual operation
• The focal length of the Canon EF 8-15mm F 4L Fisheye USM Lens is 15mm and the maximum aperture is 4.0
• The lens construction includes 14 elements in 11 groups
• The closest focusing distance of this lens is 6.2 inches
• The diameter of this Canon lens is 3.1 in.
• The dimensions of the lens are 3.1 x 3.7 inches (Diameter x Length) and it weighs 19.1 oz
  

Focal Length & Maximum Aperture: 15mm 4.0
Lens Construction: 14 elements in 11 groups
Diagonal Angle of View: 180°
Focus Adjustment: Lens extension via inner focusing and focus cam plus floating mechanism
Closest Focusing Distance: 0.16m / 6.2 in.
Filter Size: Rear Gel Holder (accepts up to 3 pre-cut gel filters)
Max. Diameter x Length, Weight: 3.1 x 3.7 in, 19.1 oz. / 78.5 x 83.0mm, 540g