Canon EF 8-15mm f/4 L USM Fisheye Lens Specifications and Measurements

Specifications	Canon EF 8-15mm f/4 L USM Fisheye Lens
Focal Length Range	8-15mm
APS-C Sensor DSLRs Only?	N
Lenses / Groups	14/11
Angle of View: Diagonal	180º - 175º 30'
Angle of View: Horizontal	180º - 142º
Angle of View: Vertical	180º - 91º 46'
Aperture
Aperture Range - Wide / Long	f/4-22
Number of Aperture Blades	7
Rounded Aperture?	Y
Weight
Manufacturer Specification Weight	540g
Actual Weight	544g
Lens Hood Weight	24g
In-Use Weight	568g
Size
Manufacturer Spec Size (DxL)	78.5 x 83mm
Measured Size (DxL)	78.3 x 90.4mm
Max Length at Full Extension	92.8mm
Internal Zoom? / Extends with Zoom?	N / Y
Zoom Extension Length	2.4mm
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	88.8 x 26.8mm
Lens Length with Hood (Min / Max)	97.9 / 97.9mm
Size of Rings - Zoom / Focus	15.5mm / 14.3mm
Filter Size	n/amm
Front Element (Filter Mount) Rotates	N
Focus
AF Motor Type	Ring USM
Full Time Manual Focus	Y
Focus Ring Rotation	92°
Focus Limiter? / Focus Limiter Ranges	N
Distance Info Provided to Camera?	Y
Distance Scale? / Type	Y / Window
Close Focus
Specified Min Focus Distance	150mm
Tested Min Focus Distance (Wide / Long)	146mm / 146mm
Maximum Magnification (MM)	0.39x
MM with 12mm Extension Tube
MM with 25mm Extension Tube
MM with 250D Closeup Lens
MM with 500D Closeup Lens
Features
Zoom Ring Rotation	62°
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?	N
Lens Hood Included / Model?	Y / EW-77
Weather Sealed? / Filter Required?	Y / Y
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?	Y
Extender Compatible?	N
Case Included? / Type?	Y / LP1219
1200mm x 800mm Subject Framing Distance
History
Year Introduced	2010

* please report errors - please send missing information