Lenses for DSLR

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

Specifications

  • 400mm

    Focal length

  • f/2.8

    Maximum aperture

  • 5-stop

    Image Stabilizer**

  • 9-bladed

    diaphragm

  • Focus lock/activate

    controls

  • World’s lightest 400mm f/2.8 lens*

    2840g

Specifications in detail

Optical Features / Specifications

  • Image Size
    Full Frame
  • 35mm Film Equivalent Focal Length (mm)
    -
  • Angle of View (Horzntl, Vertl, Diagnl)
    5°10', 3°30', 6°10'
  • Lens Construction (Elements/Groups)
    17/13
  • Number of Diaphragm Blades
    9
  • Minimum Aperture
    32
  • Closest Focusing Distance (m)
    2.5
  • Maximum Magnification (x)
    0.17
  • Distance Information
    Yes
  • Image Stabilizer OIS1
    5-stops
  • AF Actuator
    Ring USM2

Accessories

  • Lens Cap
    E-180E
  • Lens Hood
    ET-155(W III)
  • Lens Case/Pouch
    Lens Soft case LS400
  • Magnification with Extension Tube EF12 II
    0.22-0.03
  • Magnification with Extension Tube EF25 II
    0.3-0.07
  • Extender Compatibility
    Compatible (Mark III only)
  • Other Accessories
    Canon drop-in 52mm filters
    Canon Drop-In Circular Polarizing Filter 52 (W III)
    Cannon Lens Short Hood ET-155B
    Lens Case 400E

Specifications with 1.4x Extender

  • Focal Length
    560
  • Maximum Magnification
    0.25
  • AF Possible
    Yes
  • Image Stabilizer
    Yes

Specifications with 2x Extender

  • Maximum Aperture
    4-25
  • Image Stabilizer
    Yes

Physical Specifications

  • Filter Diameter (mm)
    52 Drop in
  • Max. Diameter x Length (mm)3
    163 x 343
  • Weight (g)
    2840

* Amongst lenses for interchangeable lens cameras. As of September 2018, based on Canon’s research

  1. Tested under CIPA standards
  2. Full time Manual focus
  3. Lens dimensions when in retracted state