Canon RF 100-400mm f/5.6-8 IS USM Lens

Name: Canon RF 100-400mm f/5.6-8 IS USM Lens
Brand: Canon
SKU: 3s37ememsa
Availability: InStock

A versatile telephoto-zoom with a portable form factor, the Canon RF 100-400mm f/5.6-8 IS USM lens...

Best current price£475.99from OnBuy.com

Best offers

Shopping.co.uk recommended and popular offers

Lowest priceMost popular

OnBuy.com£475.99Visit shop

Canon Rf 100-400Mm F/5.6-8 Is Usm Lens 013803341300

Visit shop

All Offers

2 offers from £475.99 - £491.99

View price history by clicking the chart icon.

OnBuy.comCanon Rf 100-400Mm F/5.6-8 Is Usm Lens 013803341300

Free delivery in 1–3 days

£475.99

Visit shop

Product Information

Full details

The Canon RF 100-400mm f/5.6-8 IS USM lens is a compact and lightweight telephoto zoom designed for Canon EOS R series mirrorless cameras, offering excellent reach for subjects like wildlife, sports, and distant landscapes. Its key benefits include robust image stabilization and fast autofocus, making it highly versatile for both stills and video. While its variable aperture from f/5.6 to f/8 means it's best suited for well-lit conditions, its portability and performance make it an outstanding choice for photographers on the go.

All features

Brand	Canon

Extended Product Information

FAQs

Is this lens good for low-light photography?

Due to its variable aperture ranging from f/5.6 to f/8, this lens is best suited for well-lit conditions. In low light, you may need to increase ISO or use slower shutter speeds, which can introduce noise or motion blur.

Can I use this lens on a Canon DSLR camera?

No, this is an RF-mount lens designed specifically for Canon's EOS R series mirrorless cameras. It is not directly compatible with Canon DSLR cameras (which use EF/EF-S mounts).

What is the benefit of the Nano USM autofocus motor?

Nano USM technology provides exceptionally fast, smooth, and quiet autofocus. This is particularly beneficial for capturing fast-moving subjects in still photography and for recording video without distracting AF motor noise.

How much does the lens extend at 400mm?

The lens barrel extends significantly when zooming from 100mm to 400mm. While compact when retracted, be aware of its extended length during use and for storage.

How do I customize the Control Ring on the lens?

The Control Ring's function (e.g., aperture, ISO, shutter speed) can be customized through your Canon EOS R series camera's menu system. Refer to your camera's instruction manual for specific steps to assign a function to the Control Ring.

What is the closest I can focus with this lens?

The minimum focusing distance is 2.89 feet (0.88 meters) at the 200mm focal length, allowing for surprisingly detailed close-up shots with a maximum magnification of 0.41x at 400mm.

Troubleshooting

Autofocus is slow or hunts excessively.

Ensure sufficient light on your subject. Check that the AF/MF switch on the lens is set to 'AF'. If using an extender, ensure it's clean and properly seated. Update camera firmware if available.

Images appear blurry or soft, especially at 400mm.

Check your shutter speed; it should ideally be 1/400s or faster, especially without IS. Ensure Optical Image Stabilization (IS) is turned on. Use a tripod or monopod for maximum sharpness. Check if your camera's focus point is accurately placed.

Lens is not recognized by the camera.

Ensure the lens is securely mounted to the camera body until it clicks. Remove and reattach the lens. Clean the electrical contacts on both the lens and camera body gently with a dry, lint-free cloth.

Control Ring does not adjust settings.

Verify that the Control Ring has been assigned a function in your camera's custom function menu. Check your camera's manual for instructions on customizing the Control Ring.

Pros and Cons

Pros

Excellent Portability: Lightweight and compact design makes it easy to carry and handle for extended periods.
Effective Image Stabilization: Up to 5.5 stops (or 6 stops with IBIS) reduces camera shake for sharper photos.
Fast & Silent Autofocus: Nano USM ensures quick, precise, and quiet focusing, great for video.
Versatile Zoom Range: 100-400mm is perfect for a wide array of telephoto subjects.
Close-Up Performance: 0.41x magnification allows for surprisingly detailed near-macro shots.
Extender Compatible: Offers expanded reach with Canon RF Extenders for extreme telephoto needs.

Cons

Variable Aperture: The f/5.6-8 aperture can limit performance in low-light conditions and offers less subject isolation than constant aperture lenses.
Limited Low Light Performance: At 400mm, the f/8 maximum aperture requires higher ISO or slower shutter speeds in dim environments, potentially leading to noise or blur.

Setup, Compatibility & Care

Setup

Attach to Camera: Align the red dot on the lens mount with the red dot on your Canon EOS R series camera body. Rotate the lens clockwise until it clicks securely into place.
Remove Lens Cap: Remove the front and rear lens caps.
Adjust Control Ring: If desired, customize the function of the lens's Control Ring via your camera's menu (e.g., to adjust aperture, ISO, or shutter speed). Refer to your camera's manual for specific instructions.

Compatibility

Canon EOS R Series Cameras: This lens is designed exclusively for Canon's full-frame and APS-C mirrorless cameras using the RF mount (e.g., EOS R, R5, R6, R7, R10). It is *not* compatible with EF/EF-S mount DSLRs without an adapter, or M-series mirrorless cameras.
Canon RF Extenders: Fully compatible with Canon RF Extender 1.4x and RF Extender 2x to extend focal length. Note that using extenders will further reduce the effective maximum aperture.

Care

Cleaning: Use a soft, lint-free cloth or a dedicated lens cleaning kit to gently wipe dust and smudges from lens surfaces. Avoid harsh chemicals. Use a blower brush to remove loose dust before wiping.
Storage: Store the lens in a dry, cool place, ideally with the lens caps attached, away from direct sunlight and extreme temperatures. Using a moisture-absorbing desiccant packet in your camera bag can help prevent mold growth in humid climates.
Handling: Always hold the camera by the lens barrel when attaching or detaching to avoid putting undue stress on the camera mount. Avoid dropping or subjecting the lens to harsh impacts.