Canon EF 70-200mm f/2.8L IS III USM Review

The Canon EF 70-200mm f/2.8L IS III USM lens is a telephoto zoom lens that is designed for use with Canon’s full-frame DSLR cameras. This lens is of a professional standard. It is a member of Canon’s illustrious L series of lenses, which are recognized for their remarkable optical performance as well as the quality of their construction.

This lens is perfect for a wide variety of photographic styles, such as portraiture, events, sports, and wildlife photography, thanks to its extensive focal length range and large maximum aperture. In this article, we will investigate the many characteristics of the Canon EF 70-200mm f/2.8L IS III USM lens in order to gain an understanding of its performance, features, and how it compares to other lenses on the market that are in a similar price range.

Key Specs

  • Focal Length: 70-200mm
  • Maximum Aperture: f/2.8
  • Lens Construction: 23 elements in 19 groups
  • Diagonal Angle of View: 34° – 12°
  • Focus Adjustment: Autofocus (AF) with full-time manual override
  • Closest Focusing Distance: 3.94 ft. / 1.2m
  • Filter Size: 77mm
  • Dimensions (Max. Diameter x Length): Φ3.5 x 7.8 in.
  • Weight: Approx. 3.17 lbs. / 1440g


Image quality, focusing speed, and general reliability are all areas in which the Canon EF 70-200mm f/2.8L IS III USM lens excels, delivering great performance in each of these areas. The lens has a high-quality optical design that is made up of fluorite and UD (Ultra-low Dispersion) elements.

These elements work together to efficiently limit chromatic aberrations and provide exceptional sharpness and clarity over the whole zoom range. Photographers are able to take breathtaking pictures with amazing bokeh because the maximum aperture of f/2.8 enables excellent low-light performance and shallow depth of focus.

Autofocus System

The lens is equipped with a ring-type Ultrasonic Motor (USM), which is Canon’s most sophisticated form of autofocus motor. This motor enables the lens to focus quickly and precisely. This autofocus mechanism offers rapid and precise focusing, which makes it an excellent choice for photographing objects that are constantly moving, such as sports and animals.

Full-time manual focus override is another useful feature of this lens; it enables photographers to make precise adjustments to the focus manually without having to switch to manual focus mode beforehand. This function is especially helpful when shooting in conditions where the autofocus may have trouble focusing since it provides photographers with increased control and freedom in the compositions they create.

Vibration Reduction

The Canon EF 70-200mm f/2.8L IS III USM lens has Image Stabilization (IS), a technology developed by Canon that is known for its high level of effectiveness. The optical image stabilization provides a 3.5-stop compensation for camera shaking, enabling photographers to shoot handheld at slower shutter speeds without sacrificing the clarity of their images.

This function is especially helpful when shooting in low-light circumstances or when utilizing longer lens lengths, both of which increase the likelihood that camera shaking may be captured in the final image. When it is not necessary to have the image stabilized, the IS system may be turned on or off, allowing the user to save battery life. This is done based on the shooting conditions.

Build Quality

The superb build quality and long-lasting endurance of the EF 70-200mm f/2.8L IS III USM lens are hallmarks of Canon’s L-series lenses, of which it is a part. The lens has a structure that is weather-sealed, which protects it from dust and moisture. Because of this, the lens is appropriate for use in outdoor photography under a variety of settings.

The lens barrel is constructed from high-quality materials, giving it a feel that is both strong and robust when held in hand. Both the zoom and focus rings have enough damping, which enables smooth and accurate changes to be made with them. In addition, a fluorine coating has been applied to both the front and the back parts of the lens. This makes it much simpler to clean and more resistant to smearing caused by fingerprints or other pollutants.

Handling and Ergonomics

The Canon EF 70-200mm f/2.8L IS III USM lens was developed with the convenience of use and comfort of the photographer in mind during the design process. When held in one’s hand for lengthy periods of time, the weight distribution is evenly distributed, making for a pleasant experience overall. The zoom ring on the lens is large and rubberized, making it easy to grasp and giving a smooth movement while zooming in and out.

As a result of the focus ring’s advantageous placement near the front of the lens barrel, it is possible to make manual adjustments to the lens’s focus with relative ease. In addition, the lens comes with a tripod collar that can be removed, which makes it possible to mount the lens securely on a tripod or monopod if shooting in conditions that call for additional support.

Image Stabilization

When shooting handheld, the Canon EF 70-200mm f/2.8L IS III USM lens features an improved Image Stabilization (IS) technology that helps correct for blur caused by camera shake. As a consequence, photos captured with this lens are noticeably crisper. The IS system is extremely efficient, providing up to 3.5 stops of stabilization, which enables photographers to utilize slower shutter speeds without contributing any discernible blur to their images.

When photographing in low-light circumstances or when capturing distant scenes with longer focal lengths, this is a really helpful feature to have. There are many distinct modes that may be selected for the IS system. These include the regular mode, which is used for general shooting; the panning mode, which is used for following moving subjects horizontally; and mode 3, which activates IS only when the shutter button is completely pushed. This mode is useful for accurate timing in scenarios such as sports photography.

Shooting Experience

Because of its superior performance as well as its user-friendly design characteristics, the Canon EF 70-200mm f/2.8L IS III USM lens offers photographers an exceptional experience when it comes to taking photographs. The lens produces pictures that are both consistently sharp and detailed over the entirety of its zoom range, with very little chromatic aberration and distortion. Because the maximum aperture is so fast—f/2.8—it enables a small depth of focus, which gives photographers the ability to isolate objects while creating spectacular background blur.

Because the focusing technology of the lens is quick, precise, and trustworthy, it is an excellent choice for photographing subjects that are moving quickly. The construction of the lens, which is weather-sealed, protects its endurance and makes it possible to shoot in a variety of weather situations. This gives photographers who frequently operate outside the peace of mind that they need. The Canon EF 70-200mm f/2.8L IS III USM lens has very excellent picture quality and dependable performance, making it an extremely enjoyable lens to use for photography.

Image Quality

The Canon EF 70-200mm f/2.8L IS III USM lens performs exceptionally well in terms of picture quality, producing images that are crisp, detailed, and colorful. The optical design of the lens, which consists of elements made of fluorite and UD, successfully lowers a variety of aberrations, which results in images that have outstanding clarity and only a little bit of color fringing. Even in difficult lighting settings, the quick maximum aperture of f/2.8 enables exceptional low-light performance.

This results in photographs that are properly illuminated and have a small amount of noise. The lens has great contrast and color rendition, allowing it to capture tones that are true and aesthetically beautiful. Because of the lens’s large aperture and nine-blade circular diaphragm, the bokeh that it produces is silky and velvety. This contributes to the lens’s ability to create stunning separation between the subject and the backdrop while also boosting subject isolation.

Teleconverter Compatibility

The focal length range and versatility of the Canon EF 70-200mm f/2.8L III USM lens may be expanded with the use of Canon’s teleconverters, which are compatible with the lens. When combined with the Canon Extender EF 1.4x III, the lens achieves a focal length range of 98-280 millimeters at an aperture of four, but when combined with the Canon Extender EF 2x III, the focal length range achieves 140-400 millimeters at a speed of 5.6.

The focusing capabilities and picture quality of the lens are preserved by the teleconverters, making them useful additions for photographers whose job requires them to have an even greater reach than normal. The use of teleconverters offers photographers increased versatility and enables them to photograph subjects that are located at larger distances without compromising the quality of their images.

Comparison with Competitors

When compared to other professional-grade telephoto zoom lenses on the market, the Canon EF 70-200mm f/2.8L IS III USM lens is held in very high respect within its category. It also competes with other lenses on the market. When it comes to image quality, the Canon lens provides great sharpness, contrast, and color accuracy, which guarantees that the results will be superior. The fact that it has a maximum aperture of f/2.8 makes it stand out from some of its rivals. This gives it superior performance in low-light conditions and the ability to produce a shallower depth of field.

Because the focusing technology of the lens is both quick and precise, photographers will have an easier time following and capturing subjects that are in motion. Because of the great build quality of the Canon lens, which features a weather-sealed design and sturdy components, it is an excellent option for taking photographs in natural environments. The Canon EF 70-200mm f/2.8L IS III USM lens is a top performer in its category because it provides exceptional build quality, dependable performance, and outstanding picture quality overall.


Focal Length & Maximum Aperture70-200mm f/2.8
Lens Construction23 elements in 19 groups
Diagonal Angle of View34° – 12°
Focus AdjustmentAF with full-time manual
Closest Focusing Distance3.94 ft. / 1.2m
Filter Size77mm
Max. Diameter x Length, WeightΦ3.5 x 7.8 in., approx. 3.17 lbs. / Φ88.8 x 199mm, approx. 1440g

Pros and Cons


  • Image quality is second to none, including exceptional sharpness, contrast, and color fidelity.
  • It has a quick maximum aperture of f/2.8, making it great for use in low light and providing a small depth of field.
  • dependable autofocus mechanism that allows for both speedy and accurate focusing.
  • Capturing sharp images handheld at slower shutter speeds thanks to effective image stabilization.
  • Construction that has been weather-sealed to increase its longevity and protect it from dust and moisture.
  • Compatible with the teleconverters produced by Canon, allowing for a greater range of focal length possibilities.


  • A large and hefty construction may make it difficult to utilize handheld for a prolonged period of time.
  • The price point is higher when compared to some of our rivals.
  • Because lighter lenses are easier to carry along, some photographers prefer them.

Price and Availability

You may purchase the Canon EF 70-200mm f/2.8L IS III USM lens at a number of authorized Canon dealers and other specialized merchants. Due to the fact that it is a lens of professional quality and offers superior optical performance, the price point for this product is greater.

There is a possibility that the price will change based on the location as well as any active specials or discounts. To get the most up-to-date information on pricing and availability, it is best to check with local merchants or online platforms. This is because, as is the case with any lens that is in great demand, the availability of the lens may change.


The Canon EF 70-200mm f/2.8L IS III USM lens is a top-tier telephoto zoom lens that combines remarkable performance, superb image quality, and solid build quality. This lens was designed and manufactured by Canon. This lens excels in a wide variety of photographic subgenres because of its adaptable focal length range, quick maximum aperture, and other cutting-edge technologies such as image stabilization and autofocus.

Some examples of these subgenres are portraiture, wildlife photography, and sports photography. The lens is a favorite among professional photographers because of its remarkable image quality as well as its dependable performance, despite the fact that its build may be bulkier and heavier in comparison to that of some of its rivals. The Canon EF 70-200mm f/2.8L IS III USM lens is a significant tool for photographers who require adaptability, dependability, and great picture quality in their work. Its weather-sealed design and compatibility with Canon’s teleconverters make it an especially useful piece of equipment.

Canon EF 70-200mm f/2.8L IS III USM FAQs

Q. Is the Canon EF 70-200mm f/2.8L IS III USM lens compatible with Canon’s full-frame DSLR cameras?
A. Yes, the Canon EF 70-200mm f/2.8L IS III USM lens is designed to be compatible with Canon’s full-frame DSLR cameras. It can also be used with Canon’s APS-C sensor cameras, where it provides an equivalent focal length of approximately 112-320mm.
Q. Does the lens have image stabilization?
A. Yes, the Canon EF 70-200mm f/2.8L IS III USM lens features image stabilization (IS) technology. The 3.5-stop optical image stabilization compensates for camera shake, allowing for sharper images when shooting handheld, particularly in low-light conditions or with longer focal lengths.
Q. Can I use teleconverters with this lens?
A. Yes, the Canon EF 70-200mm f/2.8L IS III USM lens is compatible with Canon’s teleconverters. When used with the Canon Extender EF 1.4x III, the lens becomes a 98-280mm f/4 lens, while the Canon Extender EF 2x III extends the focal length to 140-400mm f/5.6. This compatibility provides photographers with extended reach options for their photography needs.
Q. Is the lens weather-sealed?
A. Yes, the Canon EF 70-200mm f/2.8L IS III USM lens features weather-sealed construction, providing protection against dust and moisture. This makes it suitable for shooting in various weather conditions and environments, giving photographers peace of mind when working outdoors.
Q. Does the lens support full-time manual focus override?
A. Yes, the Canon EF 70-200mm f/2.8L IS III USM lens allows for full-time manual focus override. This means that even when autofocus is engaged, photographers can make manual focus adjustments without switching to manual focus mode. This feature offers greater control and precision when fine-tuning focus, especially in situations where autofocus may struggle.



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