Canon EF 400mm f/2.8L IS USM Lens Specifications and Measurements

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Specifications	Canon EF 400mm f/2.8L IS USM Lens

Year Introduced	1999
Mounts On	Full-Frame, APS-C
Lenses / Groups	17/13
Angle of View: Diagonal	6°10'
Angle of View: Horizontal	5°10'
Angle of View: Vertical	3°30'

Aperture
Aperture Range - Wide / Long	f/2.8-32
Number of Aperture Blades	8
Rounded Aperture?

Weight
Manufacturer Specification Weight	189.6 oz (5370g)
Actual Weight
Lens Hood Weight	11.6 oz (330g)
In-Use Weight

Size
Manufacturer Spec Size (DxL)	6.42 x 13.74” (163 x 349mm)
Measured Size (DxL)	6.42 x 14.11” (163 x 358.3mm)
Max Diameter at Tripod Ring	7.7” (196.1mm)
Max Length at Full Extension	14.11” (358.3mm)
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	7.77 x 6.4” (197.4 x 162.5mm)
Lens Length with Hood (Min-Max)	19.55 - 19.55” (496.5 - 496.5mm)
Size of Rings: Focus / Zoom	3.48” (88.5mm)
Filter Size	DI 52mm UV ► CP ►
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type	Ring USM
Full Time Manual Focus	Y
Focus Ring Rotation	270°
Focus Limiter? / Focus Limiter Ranges	Y /
Distance Scale? / Type	Y / Window

Close Focus
Specified Min Focus Distance	118.11” (3000mm)
Tested Min Focus Distance (Wide / Long)	111.57” (2834mm)
Maximum Magnification (MM)	0.15x
Magnification Range with 12mm Ext Tube	0.19-0.03x
Magnification Range with 25mm Ext Tube	0.23-0.06x

Features
Tripod Ring Included? / Removable?	Y / N
Zoom Ring Lock Switch?	N
Lens Hood Included / Model?	Y / ET-155 Buy ►
Weather Sealed? / Filter Required?	Y / N
Image Stabilization? / Stops? / Tripod Sensing?	Y / /
Extender Compatible?	Y
Case Included? / Type?	Y / Lens Case 400 Buy ►
47.25" x 31.5" Subject Framing Distance	400mm = 44.90' 23.62" x 15.75"mm Target: 560mm = 31.11' (w/ 1.4x) 800mm = 45.03' (w/ 2.0x)
1200mm x 800mm Subject Framing Distance	400mm = 13687mm 600mm x 400mm Target: 560mm = 9482mm (w/ 1.4x) 800mm = 13726mm (w/ 2.0x)

Review	Canon EF 400mm f/2.8L IS USM Lens

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