Canon EF 8-15mm f/4L USM Fisheye

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF 8-15mm ƒ/4L USM Fisheye
Image Circle 35mm
Type Wide Zoom Fisheye
Focal Length 8 - 15mm
APS Equivalent 13 - 24mm
Max Aperture ƒ/4
Min Aperture ƒ/22
Diaphragm Blades 7
Lens Construction 14 elements in 11 groups, including UD and aspherical elements
Diagonal Angle of View(Based on image circle) 180 to 175.5 degrees
Focus Details Inner focusing; Ultra-sonic Motor (USM) with AF/MF switch
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.16m / 6.2 in.
Magnification Ratio 0.39x / 1:2.6
Filter Size Rear Gel Holder (accepts up to 3 pre-cut gel filters)
Dimensions(Length x Diameter) 83.0mm x 78.5mm / 3.7 in. x 3.1 in.
Weight 540g / 19 oz
Notes Included Accessories: lens hood, case
Typical Online Price US$1,500 (Avail. January 2011)