Canon 17-40 lenses EF 17-40mm f/4L USM Lens
- EF Mount L-Series Lens
- Aperture Range: f/4-22
- Three Aspherical Elements, One Super UD
- Ultrasonic Autofocus Motor
- Manual Focus Override
- Water and Dust Resistant
- Internal Zooming and Focusing
- Truly Circular Diaphragm
- 77mm Front Filter Diameter
- Rear Holder for Three Gel Filters
The EF 17-40mm f/4L USM Lens from Canon is a high quality “L” series wide angle zoom lens for full frame and APS-C size DSLR cameras. It combines one high-precision molded glass aspherical element and two replica aspherical lenses to achieve the extended zoom range, while also correcting for common aberrations that arise during zooming. A Super UD (Ultra-low Dispersion) glass element minimizes the chromatic aberration of magnification which tends to occur with wide-angle lenses, to help eliminate color bleed along the edges of the subject and achieve high image contrast and resolution.
The lens’ minimum focusing distance is just 11″ (28cm) throughout its entire range of focal lengths, which makes it very useful for close-up work. All of the focusing and zooming action is done internally, with no changes in the size of the lens. Its ultrasonic autofocus motor enables smooth and silent autofocus action and manual focus override in One Shot AF mode allows precise manual focusing without switching into MF mode.
It only uses lead-free optics to help the environment, and features a circular diaphragm for improved background blur. The housing is water and dust resistant to help ensure reliable performance for both professionals and enthusiasts. Like many “L” lenses, it uses 77mm filters, but also has a rear gelatin filter slot behind the lens mount that can hold three gel filters.
This lens is a Canon ‘EF’ series lens, indicating it is for use with full-frame cameras. However, it also works with APS-C format DSLRs and offers a 35mm focal length equivalence of 27-64mm, making it an ideal medium-aperture standard zoom lens.
- A super wide-angle zoom lens for full-frame DSLR and 35mm film cameras that offers a 27-64mm focal length equivalent when used on APS-c size sensors.
- Uses three aspherical lens elements and Canon Super UD ultra-low dispersion glass for reduced aberrations and overall sharp, high contrast imaging
- An ultrasonic autofocus motor provides fast, smooth and quiet AF action, particularly important when shooting video.
- Manual focus override enables precise manual focusing even when in One Shot AF mode.
- Internal zooming and focusing systems
- As a Canon “L” series lens it provides professional levels of moisture and dust resistance.
- Circular aperture diaphragm for better, more natural looking background blurring
- Accepts 77mm filters, as well as gelatin filters at the rear of the lens.
We promise 1 year warranty included against defects in material or workmanship. Warranty does not cover misuse (i.e. liquid, sand, impact damage, etc.).Repair is free but buyer pay shipping cost.
The items we sold is in good condition and have been chacked carefully before shippment.We will try our best to avoid any quality problem.
DSLR cameras and lenses are high-value items and we hope you have a perfect shopping experience. However, if you have any questions about the quality of the purchased product (including you think it does not working properly), be sure to provide a test report issued by the manufacturer’s official customer service center to prove that the product is defective. On this basis we can negotiate a return or partial refund solution. If you can not obtain the official test certificate, You can return the goods on the premise of the seller’s consent (buyer bear return cost).
We ship it via EMS/DHL/China Post Air Mail at the first time from Beijing China after you place order and payment successful.
Important!!!The cameras and lenses value expensive, Please personally check to confirm the items is not damaged in the time of delivered. Otherwise you should declare items damaged and request the post office/logistics company to issue the offical certification documents.
Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility.
Legal Efforts are made to reduce applicable import duties (or GTS or V.A.T. or other Taxes) in various countries, and in most cases there is little or none payable. However, this transaction excludes such fees (if applicable). We will do the best we can in order to legally minimize your VAT exposure on your request. Under any circumstances, we will not be responsible for taxes (VAT).
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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