The Canon EF 17-40mm f/4 L USM Lens is a professional-grade ultra-wide-angle zoom lens designed for Canon full-frame and APS-C DSLR cameras, making it ideal for landscapes, architecture, interiors, and travel photography. With its versatile 17-40mm focal length, this L-series lens offers expansive wide-angle views with excellent sharpness and clarity, while the constant f/4 maximum aperture provides consistent exposure across the zoom range. Canon’s renowned L-series optics incorporate aspherical and Super UD elements to minimize distortion, chromatic aberration, and flare, ensuring outstanding image quality even in challenging lighting conditions. The fast and quiet Ultrasonic Motor (USM) autofocus system delivers quick and precise focusing, with full-time manual focus override for creative control. Built to withstand professional use, the lens features a rugged, dust- and moisture-resistant construction, making it reliable in demanding environments. Lightweight and compact for an L-series zoom, the Canon EF 17-40mm f/4 L USM is a top choice for photographers seeking a professional ultra-wide-angle lens with durability and premium optical performance.

Item Condition: Good

Shows some signs of use. The optics are clear and unmarked - there is a small amount of internal dust in the front optic, but does not affect use.

This product comes with: Front and Back Cap, Lens Hood

Brand: Canon

Filter Size: 77mm

Lens Mount: Canon EF

Stock code: US00771

Bin/Rack: US46

Condition definitions

1: "MINT"
Looks brand new, i.e. no cosmetic wear and tear conditions 

2: "Excellent"
It looks close to new, i.e. only the lightest signs of cosmetic wear condition 

3: "Good"
Good overall condition may have signs of cosmetic wear, i.e. light scuffing to some areas / slightly shiny surfaces. 

Condition 4: "Well Used"
The well-used condition may have significant signs of cosmetic wear, i.e., scuffing to some areas, shiny surfaces, or marks. 

Condition 5: "Heavily Used"
Heavily used conditions may have significant signs of cosmetic wear, i.e. scuffing / shiny surfaces/marks/scratches / chipping to paint/peeling surfaces.

Condition 6: "Faulty" 
Not in complete working order

Warranty

We offer a 6 months warranty Against Mechanical Breakdowns on all our used equipment.
This does not include accidental damage, shutter/mirror breakdown over the company's rated amount, or loss or theft. 
For our vintage items, such as film cameras, this warranty does not cover failed light seals, classified as wear and tear.

Please keep a copy of your receipt, which is enclosed with your delivery.

TERMS

Please read and understand all of these items before buying, and if you have any questions, please ask first.

We use myshuttercount.com & ShutterCount App in the Apple App Store. After purchase can check this using the same method, please allow a dozen or so actions on either side of any figure given because your camera may be double-checked before sending it out to you. 

DISCLAIMER - we have no connection with this website and provide this shutter count to help your buying decision - we cannot state with 100% accuracy how correct the shutter count reading is - but we have no reason to dispute it.

Photographs - We DO NOT use Google/stock images for any of our second-hand goods sold on eBay. We take them when listing and use them as part of the condition description.

Inventory - We sell all our items via our website, the High Street Store, and other web places. If one of our items is corrupted, we can cancel the order and refund your money. We use a 3rd Party App to link our inventory; sometimes, things get corrupted. You will see this as the description and the title may not be related. If you have any questions, please contact us, and one of our team members will answer them promptly.

If you wish to view the item before purchasing, visit our Colwyn Bay shop (address below). 

Please note that any accessories not listed are not guaranteed to be included with this product. We cannot verify the life of the battery included.

We do not routinely monitor our emails and messages during weekends or public holidays.