EF70-200mm f/2.8L IS III USM

EF70-200mm f/2.8L IS III USM

Building on a history of meeting the exacting demands of professionals who turn an instant into a work of art, this long-selling lens now advances into a higher realm. The conventional coatings on the EF70-200mm f/2.8L IS III USM have been completely reworked, with additional use of ASC, to achieve long-awaited reductions in flaring and ghosting. It inherits an uncompromising optical system with a fluorite element and five UD elements, meeting demands for greater image quality. Its CIPA standard in-lens image stabilization, equivalent to 3.5 stops,* creates a stable finder image to ensure sure framing and confirmation of focus. Along with its high robustness and ease of operation, the EF70-200mm f/2.8L IS III USM offers ease of maintenance through a fluorine coating. This large-aperture telephoto zoom lens raises the level of the standard.

  • *When EOS-1D X Mark II is used with a focal length of 200mm. Conforms to CIPA standards.


  • EF70-200mm f/2.8L IS III USM, Canon EOS 5D Mark IV, 1/3200sec., f/5.6, ISO100
  • EF70-200mm f/2.8L IS III USM, Canon EOS 5D Mark IV, 1/50sec., f/2.8, ISO100
  • EF70-200mm f/2.8L IS III USM, Canon EOS 5D Mark IV, 1/250sec., f/3.5, ISO100
  • EF70-200mm f/2.8L IS III USM, Canon EOS 5D Mark IV, 1/13sec., f/2.8, ISO1600


Angle of View
(horizontal, vertical, diagonal)
29°−10°/ 19°30’−7°/ 34°−12°
No. of Diaphragm Blades 8
Closest Focusing Distance 1.2m
Maximum Magnification 0.21x (at 200mm)
Water/dust Resistance Yes
Filter Size 77mm
Max. Diameter x Length Ø88.8 × 199mm
Weight Approx. 1,480g
Extension Tube EF12 II 0.28−0.06x
Extension Tube EF25 II 0.42−0.14x
Lens Cap E-77 II
Lens Hood ET-87
Lens Pouch/Case LZ1326

  • Fluorite element
  • UD element
  • ASC
  • Fluorine Coating

MTF Characteristics

Spatial frequency Maximum aperture
10 lines/mm
30 lines/mm
How to read
MTF characteristics

Spatial frequency Maximum aperture
10 lines/mm
30 lines/mm

The more the S and M curves are in line, the more natural the blurred image becomes.

Modulation Transfer Function, or MTF, is a method of evaluating lens performance using contrast reproduction ratio. When evaluating the electrical characteristics of audio equipment, one important measure of performance is frequency response. This indicates the fidelity of the reproduced sound with respect to the source sound as it passes through the microphone, recording and playback circuits, and finally the speakers. When the reproduction is accurate, the equipment is classified as “hi-fi,” or “high fidelity.”
In the same way, when a lens is viewed as a transmission system for optical signals, measuring the frequency response of the optical system reveals whether the optical signal is transmitted faithfully. For a lens, the equivalent of frequency is “spatial frequency,” which indicates how many patterns, or cycles, of changes in sinusoidal density are present in a 1 mm width. Accordingly, the unit of spatial frequency is lines per mm, as opposed to Hz in electrical systems.

The MTF characteristics shown on this website are 10 lines/mm and 30 lines/mm, where the horizontal axis indicates image height (the distance on a diagonal line from the center of the image, in mm) with the image center set to 0, and the vertical axis indicates contrast. The closer the 10-line/mm curve is to 1, the better the contrast and clarity of the lens; the closer the 30-line/mm curve is to 1, the better the resolving power and sharpness of the lens. Although a good balance between both of these is important for a lens to be sharp and clear, a lens is generally said to offer excellent image quality if the 10-line/mm curve is greater than 0.8, or satisfactory image quality if greater than 0.6.

Resolving power and contrast are both good

Contrast is good; resolving power is poor

Resolving power is good; contrast is poor