Canon RF 100-400mm F5.6-8 IS USM Review

The Canon RF 100-400mm F5.6-8 IS USM lens is a flexible telephoto zoom lens that was built exclusively for use with mirrorless cameras that use Canon’s RF-mount. This lens has an exceptional focal length range of 100–400 millimeters, which gives it a great degree of versatility.

As a result, it is appropriate for a wide variety of photographic genres, such as photographing animals, sporting events, and other outdoor activities. Because it possesses a large number of features and technologies that all work together to add to its overall performance, it is a fantastic choice for both professional and amateur photographers alike.

$649.00 11 used from $549.99 17 new from $649.00
in stock
Canon RF100-400mm F5.6-8 is USM

Key Specs

  • Focal Length: 100-400mm
  • Maximum Aperture: f/5.6 – f/8 (f/8 at 400mm position)
  • Minimum Aperture: f/32 – f/45 (f/45 at 400mm position)
  • Lens Mount Type: RF Mount; Metal Mount
  • Minimum Focusing Distance: 3.94 feet (1.2m) at 100mm, 2.89 feet (0.88m) at 200mm, 3.44 feet (1.05m) at 400mm
  • Maximum Magnification: 0.41x at 400mm, 0.09x at 100mm
  • Field of View (at Minimum Focus Distance):
    • 100mm: 10.2 x 15.2 in. (260 x 386mm)
    • 400mm: 2.2 x 3.3 in. (57 x 85mm)
  • Angle of View (Diagonal): Approx. 24° – 6°10″

Performance

Even in adverse shooting settings, photographers are able to take photos that are clear and detailed thanks to the Canon RF 100-400mm F5.6-8 IS USM lens’ excellent performance. Its sophisticated optical design incorporates a variety of specialized components and coatings that work together to reduce distortions, aberrations, and flare. As a consequence, the images it produces have a high resolution and accurate color reproduction.

The lens makes use of a ring-type Ultrasonic Motor (USM) for rapid and accurate autofocus, which guarantees speedy and exact subject tracking. Because of this, it is ideally suited for photographing things that are in motion, such as animals or sporting events. In addition to that, the lens has a control ring that can be customized, which enables users to make adjustments to different parameters such as the ISO or exposure compensation, without having to take their eye off the viewfinder.

Autofocus System

Because it features powerful autofocus technology, the Canon RF 100-400mm F5.6-8 IS USM lens gives photographers the ability to achieve quick and precise focusing. The lens is equipped with Canon’s Dual Nano USM autofocus technology, which combines a high-speed stepper motor with a ring-type USM motor. This allows the lens to focus extremely quickly. This combination enables a smooth and nearly quiet focusing performance, making it suited for both video recording and still photography.

Even in difficult conditions, the autofocus mechanism is equipped with a sophisticated AF algorithm that successfully tracks and locks onto targets. The lens has an optical image stabilization technology that provides 5.5 stops of compensation for camera motion. This enables users to take clear handheld photos at slower shutter speeds without losing picture quality.

Vibration Reduction

A built-in optical image stabilization (IS) system is included with the Canon RF 100-400mm F5.6-8 IS USM lens. This IS system is capable of offering up to 5.5 stops of stabilization. This technique successfully lessens the influence that camera wobble has, enabling photographers to take pictures at slower shutter speeds without compromising the clarity of the images they capture.

When taking photographs in low-light settings or when using the lens at the farthest extent of its zoom range, the image stabilization technology of the lens is especially helpful. It does this by increasing the image’s overall stability and reducing the impression of blur produced by hand motions, which ultimately results in photographs that are crisper and have more information.

Build Quality

The RF 100-400mm F5.6-8 IS USM lens from Canon features a durable construction quality that can resist the rigorous use that is required in the professional setting. The lens has a robust design that has been weather-sealed to protect it from dust and moisture. Because of this, it is appropriate for use in outdoor photography in a variety of different settings.

When held in one’s hands, the lens barrel provides a sense of stability and dependability due to the high-quality materials from which it is constructed. In addition to that, it features a zoom lock switch, which enables users to lock the lens at the focal length of their choosing and prevents inadvertent zoom extension while the lens is being transported. The entire build quality of the lens inspires confidence in its performance and assures that it will continue to function reliably even under difficult shooting situations.

Handling and Ergonomics

Because it takes ergonomics into consideration throughout the design process, the Canon RF 100-400mm F5.6-8 IS USM lens provides photographers with a comfortable shooting experience. Users are able to swiftly modify the focal length of the lens based on their specific requirements thanks to the lens’s snappy and smooth zoom ring. In addition to this, it features a control ring that is fully programmable and can be used to adjust a variety of camera settings.

This facilitates quick access to the settings and increases the overall productivity of the shooting process. Because of its portable and lightweight form, the lens is convenient to carry for long periods of time and may be used for a variety of purposes. In addition to this, it interfaces faultlessly with Canon’s RF-mount mirrorless cameras, which guarantees a safe and robust connection between the two devices.

Image Stabilization

Because it has superior optical image stabilization technology, the Canon RF 100-400mm F5.6-8 IS USM lens enables photographers to create crisp photos even while shooting handheld or in low-light circumstances. The image stabilization technology with 5.5 stops of compensation adjusts for camera shaking, which helps to reduce blur and provide sharp results.

This is especially helpful when using the lens at longer focal lengths, as even the slightest movement might cause blurry images due to the magnifying effect of the focal length. The image stabilization mechanism enables photographers to push the limits of handheld shooting and achieve outstanding image quality without the use of a tripod. This opens up new creative possibilities for photographers.

Shooting Experience

The Canon RF 100-400mm F5.6-8 IS USM lens offers a very enjoyable shooting experience because to its extensive variety of focal lengths, which are extremely adaptable, and its sophisticated features. The autofocus feature of the lens provides focusing that is both quick and accurate, making it easier for photographers to keep up with moving objects and take pictures of them.

The silky-smooth zoom and focus rings enhance to the entire experience of photography by enabling accurate changes and a feeling of command over the situation. The compatibility of the lens with the mirrorless cameras that use Canon’s RF-mount assures a smooth integration and improved performance, giving photographers with a tool that is dependable and effective for their creative activities.

Image Quality

Impressive picture quality is delivered over the whole range of the Canon RF 100-400mm F5.6-8 IS USM lens’ focal length capabilities. The sophisticated optical design of this device helps to reduce a variety of picture aberrations and distortions, which ultimately results in photographs that are crisp, detailed, and display correct color reproduction.

The lens’s versatility stems from its capacity to produce images of a high quality even when used at its widest aperture, making it an ideal accessory for a diverse variety of photographic applications. In addition to this, the lens is treated with Canon’s Air Sphere Coating (ASC), which helps to eliminate flare and ghosting. This provides photographers with the ability to take photographs with improved contrast and clarity, particularly when working in difficult lighting circumstances.

Teleconverter Compatibility

When used in conjunction with one of Canon’s RF extenders, which are also sold by the company, the Canon RF 100-400mm F5.6-8 IS USM lens is capable of providing photographers with even greater telephoto capabilities. When coupled with either of Canon’s RF 1.4x or 2x extenders, the lens is capable of providing a greater focal length range, thereby changing itself into either a 140-560mm or 200-800mm lens, depending on which of the two extenders is used.

This adaptability is particularly useful for photographers who frequently need to access subjects that are located at a distance, such as those who capture animals and sports. When used in conjunction with the extenders, the lens keeps its focusing performance and image quality, guaranteeing that photographers may still obtain outstanding results despite the extended focal length.

Comparison with Competitors

While there are numerous telephoto zoom lenses available on the market, the Canon RF 100-400mm F5.6-8 IS USM lens stands out from the crowd thanks to its exceptional performance and distinctive set of characteristics. When compared to other lenses in its class, the Canon RF lens distinguishes out thanks to the extensive focal length range it offers.

This gives photographers more leeway to experiment across a variety of photographic subgenres. The sophisticated autofocus technology and image stabilization features of this camera provide perfect focus and decrease camera shake, resulting in photographs that are more crisp. In addition, the lens’s compatibility with Canon’s RF-mount mirrorless cameras allows for seamless integration, which in turn optimizes the camera’s performance.

Specifications

Focal Length100-400mm
Maximum Aperturef/5.6 – f/8 (f/8 at 400mm position)
Minimum Aperturef/32 – f/45 (f/45 at 400mm position)
Lens Mount TypeRF Mount; Metal Mount
Minimum Focusing Distance3.94 feet (1.2m) at 100mm
2.89 feet (0.88m) at 200mm
3.44 feet (1.05m) at 400mm
Maximum Magnification0.41x, at 400mm (0.09x at 100mm)
Field of View
(at Minimum Focus Distance)
100mm10.2 x 15.2 in. (260 x 386mm)
400mm2.2 x 3.3 in. (57 x 85mm)
Angle of View (Diagonal)Approx. 24° – 6°10″

Pros and Cons

There are a number of significant benefits offered by the Canon RF 100-400mm F5.6-8 IS USM lens. Because of its flexible range of focal lengths, it may be used for a wide variety of photographic applications, from photographing animals and sports to documenting outdoor events. Because of the lens’s cutting-edge optical design and coatings, it is capable of producing images of exceptional quality. Because it is both quick and accurate, the autofocus technology guarantees that the subject will be followed precisely.

Because of the built-in image stabilization mechanism, handheld photography at shorter shutter speeds is possible without blurring the subject’s picture due to camera shake. The weather sealing on the lens provides protection against dust and moisture, and the lens itself has a sturdy build quality. In addition, it has controls that are more comfortable to use and is compatible with mirrorless cameras that use Canon’s RF-mount.

Price and Availability

There are a number of authorized dealers, as well as internet shops, that now stock the Canon RF 100-400mm F5.6-8 IS USM lens. It fell into the upper-middle price category of the market due to its status as a telephoto zoom lens of superior build quality and equipped with cutting-edge capabilities.

There is a possibility that the price will change depending on the location as well as any current specials. For the most up-to-date pricing information, prospective purchasers should check with the stores in their immediate area or visit the official website of Canon.

$649.00 11 used from $549.99 17 new from $649.00
in stock
Canon RF100-400mm F5.6-8 is USM

Conclusion

A flexible telephoto zoom lens, the Canon RF 100-400mm F5.6-8 IS USM lens was built specifically for use with mirrorless cameras that use Canon’s RF-mount. This lens has the ability to perform very well in a wide variety of photographic subgenres because to its extensive focal length range, sophisticated autofocus technology, and powerful image stabilization features. A pleasurable shooting experience may be achieved because to the lens’s high picture quality, solid construction, and ergonomic design.

The lens’s benefits much exceed its drawbacks, which include having a variable aperture range, being rather big and heavy, and having a potentially wide range of aperture settings. Photographers who are looking for a flexible telephoto zoom lens to use for their creative endeavors will find that the Canon RF 100-400mm F5.6-8 IS USM lens is an effective and dependable piece of equipment to use.

Canon RF 100-400mm F5.6-8 IS USM FAQs

Q. What is the maximum aperture range of the Canon RF 100-400mm F5.6-8 IS USM lens?
A. The lens has a maximum aperture range of f/5.6 to f/8, with the aperture becoming f/8 when zoomed to the 400mm position. This variable aperture allows for flexibility in different lighting conditions.
Q. Is the Canon RF 100-400mm F5.6-8 IS USM lens compatible with teleconverters?
A. Yes, the lens is compatible with Canon’s RF extenders, such as the RF 1.4x and RF 2x extenders. This allows photographers to extend the focal length of the lens, giving them even greater reach for capturing distant subjects.
Q. Does the lens have image stabilization?
A. Yes, the Canon RF 100-400mm F5.6-8 IS USM lens features built-in optical image stabilization (IS). The IS system provides up to 5.5 stops of stabilization, helping to minimize the effects of camera shake and allowing for sharper handheld shots, particularly at longer focal lengths.
Q. What is the minimum focusing distance of the lens?
A. The minimum focusing distance of the lens varies depending on the focal length. It is 3.94 feet (1.2m) at 100mm, 2.89 feet (0.88m) at 200mm, and 3.44 feet (1.05m) at 400mm. This close-focusing capability allows photographers to capture detailed shots of subjects even at a relatively long telephoto range.
Q. Is the Canon RF 100-400mm F5.6-8 IS USM lens weather-sealed?
A. Yes, the lens features a durable weather-sealed construction that helps protect it from dust and moisture. This makes it suitable for outdoor photography in various environmental conditions, giving photographers peace of mind while shooting in challenging situations.

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