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Canon lens EF 400mm f28L IS II USM User Manual

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    17.  
    Extension Tubes 
    (Sold Separately)
    You can attach extension tube EF12 II or EF25 
    II for magnified shots. The shooting distance and 
    magnification are shown below.
    EF300mm f/2.8L IS II USM
    EF400mm f/2.8L IS II USM
    MF mode is recommended for accurate focusing.
    Focusing Distance Range (mm)Magnification (×)Close distanceLong distanceClose distanceLong distanceEF12 II 1700 7529 0.22 0.04
    EF25 II 1480 3727 0.28 0.09
    Focusing Distance Range (mm)Magnification (×)Close distanceLong distanceClose distanceLong distanceEF12 II 2375 13353 0.21 0.03
    EF25 II 2113 6494 0.26 0.07
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    Specifications
    The lens length is measured from the mount surface to the front end of the lens. Add 26.5 mm 
    OO
    when including the lens cap and dust cap.
    The size and weight listed are for the lens only, except as indicated.
    OO
    The Close-up Lenses 250D and 500D cannot be attached.
    OO
    Aperture settings are specified on the camera.
    OO
    All data listed is measured according to Canon standards.
    OO
    Product specifications and appearance are subject to change without notice.
    OO
    EF300mm f/2.8L IS II USM EF400mm f/2.8L IS II USM
    Focal Length/Aperture 300mm f/2.8400mm f/2.8
    Lens Construction 12 groups, 16 elements 12 groups, 16 elements
    Minimum Aperture f/32f/32
    Angle of View Diagonal: 8° 15’ 
    Vertical: 4° 35’  
    Horizontal: 6° 50’ Diagonal: 6° 10’ 
    Vertical: 3° 30’  
    Horizontal: 5° 10’
    Min. Focusing Distance 2 m/6.6 ft.2.7 m/8.9 ft.
    Max. Magnification 0.18×0.17×
    Field of View Approx. 136 × 205 mm/ 
    5.4 × 8.1 inch (at 2 m/6.6 ft.) Approx. 139 × 208 mm/ 
    5.5 × 8.2 inch (at 2.7 m/8.9 ft.)
    Filter Any 52(WII)-series drop-in filter
    Max. Diameter and Length 128 × 248 mm/5.0 × 9.8 inch 163 × 343 mm/6.4 × 13.5 inch
    Weight Approx. 2350 g/82.9 oz Approx. 3850 g/135.8 oz
    Hood ET-120(WII)ET-155(WII)
    Lens Cap E-145CE-180D
    Case Lens case 300BLens case 400C
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    							CT1-8570-004 1208SZ © CANON INC. 2011 
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