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UK Warranty
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The Canon EF 17-40mm F4 L Lens is an affordable L-series ultra wideangle zoom lens that’s ideal for both film and digital SLRs. Superior optics are assured by the use of three aspherical lens elements, in addition to a Super UD (Ultra-low Dispersion) glass element. Optical coatings are optimized for use with digital cameras.
The Canon EF 17-40mm F4 L Lens focuses as close as 28cm, and offers both Canon’s full-time manual focus and a powerful ring-type USM for fast and silent AF. It has a constant f/4 maximum aperture, and offers the choice of screw-in 77mm filters or a holder in the rear of the lens for up to three gel filters. Finally, it offers weather-resistant construction similar to other high-end L-series lenses.
The Canon EF 17-40mm F4 L Lens acts as an ultra-wide angle zoom on film or full-frame digital EOS cameras. On DSLRs equipped with APS-C sized sensors it acts as a standard zoom, giving an angle of view equivalent to a 28-70mm lens on a full-frame camera.
Minimum focusing distance is just 28cm throughout the entire zoom range.
The Canon EF 17-40mm F4 L Lens has 12 lens elements arranged in nine groups. Super Spectra coating ensures excellent colour balance and minimises ghosting and flare. To provide superb image quality over the complete 17-40mm zoom range the lens uses three aspheric elements. Super UD (Ultra-low Dispersion) glass prevents chromatic aberrations.
A ring-type ultrasonic motor drives autofocus extremely quickly, and in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. Furthermore, full-time manual override is available, making it possible to adjust focus without leaving AF mode.
The front of the lens does not rotate, which makes using specialised filters, such as polarisers and graduates, easier. A drop-in gelatine-filter holder can be found at the back of the lens.
A virtually circular aperture diaphragm gives out of focus regions a softer, more uniform feel. Sharp foreground objects stand out against a smooth blurred background.
Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.
Lens type | Zoom lens |
Focal length | 17–40 mm |
Image stab. | No |
Lens mount | Canon EF |
Max aperture | F4 |
Min aperture | F22 |
Min focus | 0.28 m (11.02″) |
Max magnification | 0.24× |
Weight | 500 g (1.10 lb) |
Length | 97 mm (3.81″) |
For a more detailed specification see here. For more Canon Cameras see here.
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We aim to deliver your product within 3-5 working days. Should there be any delay or an issue with stock availability we will contact you asap.
If you have specific delivery/order instructions you can write these in the order notes at checkout.
Sometimes you’ll want something even quicker than we can deliver. That’s why we offer you the option to order online and collect in-store. Before coming in to collect please call or email us to ensure stock is available.
For more delivery information please see our delivery page.
Please return your item unused and in original condition (as it was received by you) with proof of purchase within 14 days, and we’ll give you an exchange or refund.
We do ask when returning use a reputable courier with a tracking service and the item to be fully insured. Please be aware that we’ll only process your refund once the item has been returned and checked by our specialist; this can take up to 14 days.
If your product develops a fault within 30 days of purchase, please return with proof of purchase and we’ll exchange or refund it.
Flexible Payment Options
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Monthly Payment Options
Monthly Payment | Months | Total with Interest | Interest p.a. |
---|---|---|---|
£333.34 | 6 | £1,999.99 | 0.0% |
£166.67 | 12 | £1,999.99 | 0.0% |
£111.11 | 18 | £1,999.99 | 0.0% |
£83.34 | 24 | £1,999.99 | 0.0% |
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How It Works
Repayment Schedule:
Payment Number | Amount Due | Due Date |
---|---|---|
1 | £50.00 | [Date] |
2 | £50.00 | [Date + 2 weeks] |
3 | £50.00 | [Date + 4 weeks] |
4 | £50.00 | [Date + 6 weeks] |
Terms and Conditions:
Ask us how we can offer you more value for your money. We’re always looking for the best price, even if we’re saving a couple of pounds. That’s why we’ll make it in our best interest to offer you the very best option should you find them cheaper. Our Price Match Promise
Weight | 475 g |
---|---|
Dimensions | 83.5 × 96.8 mm |
Brand | Canon |
Filter Thread Size (mm) | 77 |
Lens Mount | Canon EF Mount |
Lens Type | Wide-Angle Zoom |
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