Canon Ef 17-40Mm F4L Usm - Canon

Name: Canon Ef 17-40Mm F4L Usm - Canon
Brand: Canon
SKU: mhc7zbhlig
Availability: InStock

Capture striking architecture and expansive landscapes with this ultra-wide-angle L-series lens. S...

Best current price£235.00from OnBuy.com

Best offers

Shopping.co.uk recommended and popular offers

Lowest price

OnBuy.com£235.00Visit shop

Canon Ef 17-40Mm F4l Usm 4960999189949

Visit shop

All Offers

3 offers from £235.00 - £260.00

View price history by clicking the chart icon.

OnBuy.comCanon Ef 17-40Mm F4l Usm 4960999189949

Free delivery in 1–3 days

£235.00

Visit shop

JoomJoom Canon Black Ef 17-40Mm F/4L Usm Zoom Lens

£3.00 delivery

£260.00

Visit shop

Used Offers

3 offers from £179.99 - £445.64

View price history by clicking the chart icon.

eBayCanon EF 17-40mm F4 L lens Full Frame Ultra wide angle Nice condition

£3.00 delivery

£179.99

Visit shop

Product Information

Full details

The Canon EF 17-40mm f/4L USM Lens is ideal for photographers seeking an ultra-wide-angle lens for capturing expansive landscapes and architectural shots. Its key benefit is its ability to produce stunning clarity across a range of focal lengths, with a compact and lightweight design perfect for travel. Keep in mind that while it offers a fast autofocus, it's essential to understand its capabilities to maximize its performance in various shooting scenarios.

All features

Brand	Canon

Extended Product Information

FAQs

What is the filter size for this lens?

The filter size for the Canon EF 17-40mm f/4L USM Lens is 77mm.

Is this lens compatible with full-frame cameras?

Yes, this lens is fully compatible with full-frame DSLR cameras.

Does this lens have image stabilization?

No, this lens does not have image stabilization.

What is the closest focusing distance?

The closest focusing distance is 0.28 meters.

Is this lens weather-sealed?

Yes, the Canon EF 17-40mm f/4L USM is designed for robust handling and is resistant to dust and moisture.

What is the aperture range?

The aperture range is f/4 to f/22.

What type of autofocus actuator does this lens use?

This lens uses an Ultra-Sonic Motor (USM) for autofocus.

Troubleshooting

Autofocus not working.

Ensure the autofocus switch on the lens is set to 'AF'. Clean the lens contacts on both the lens and camera body. Make sure there is enough light for the AF system to function.

Images are not sharp.

Check the focus. Increase the aperture (smaller f-number) to increase depth of field. Ensure the camera is stable (use a tripod if necessary). Clean the lens.

Lens is not recognized by the camera.

Make sure the lens is properly attached to the camera body. Clean the lens contacts. Check the camera's lens compatibility settings.

Pros and Cons

Pros

Ultra-wide-angle capabilities for capturing vast landscapes and interiors.
Fast and responsive autofocus for capturing fast-moving subjects.
Durable build quality, part of the Canon L-series, resistant to dust and moisture.
Consistent exposure with a fixed f/4 aperture throughout the zoom range.
Compact and lightweight design for easy portability.

Cons

Maximum aperture of f/4 may not be ideal for low-light situations without increasing ISO.
Can exhibit some distortion at the widest focal lengths.
The 77mm filter size may require larger filters, increasing costs.
The lens hood is sold separately.

Setup, Compatibility & Care

Compatibility: This lens is compatible with all DSLR cameras, including full-frame and EOS M mirrorless cameras with an EF-EOS M Mount adapter.
Mounting: Carefully align the lens with the camera's lens mount and rotate until it clicks into place. Ensure it is securely mounted before use.
Focusing: The lens features both autofocus and manual focus options. Switch between them using the focus mode switch on the lens barrel.
Filter Size: The lens accepts 77mm filters.
Care and Maintenance:
Always store the lens in a dry, dust-free environment.
Use a lens cap to protect the front element when not in use.
Clean the lens with a soft, microfiber cloth. Avoid using excessive pressure or harsh chemicals.
Protect from moisture and extreme temperatures.
Regularly inspect the lens for any signs of damage or wear.