Canon EF 17-40mm f/4 L USM Lens
- EF-Mount Lens/Full Frame Format
- Aperture Range: f/4 to f/22
- One Super Ultra-Low Dispersion Element
- Three Aspherical Element
- Product SKU: CANON-28
- Category: All lenses, Canon, Lenses, Mirrorless Cameras, SLR Lenses
- Order within
This super wide-angle zoom lens allows you to take wide photographs even with digital SLR cameras which have a screen size smaller than 35mm, covering the range from a super wide-angle 17mm to a standard 40mm. Three aspherical lens elements which come in two types deliver both a wide zoom range and high image quality, while the super UD lens elements provide excellent correction of the magnification-type chromatic aberration. Innovations such as a lens coating optimized for digital photography help minimize flare and ghosts, which often occur with digital cameras.
The circular aperture diaphragm which brings out a nuanced blur and the achievement of a closest focusing distance of 0.28m over the whole range of the zoom, not only help you in composition, but the quiet, high-speed autofocus and the outstanding dust-proof construction make this lens extremely mobile. The front filter mount does not rotate during focusing, so there is no problem when using circular PL filters or other filters, and in combination with the EF70-200mm f/4L IS USM you can get the right shot almost anywhere you go.
A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.ÊRounded seven-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
In addition to the front 77mm filter ring, this lens also has a rear filter holder for up to three cut gel filters.
This super wide-angle zoom lens allows you to take wide photographs even with digital SLR cameras which have a screen size smaller than 35mm, covering the range from a super wide-angle 17mm to a standard 40mm. Three aspherical lens elements which come in two types deliver both a wide zoom range and high image quality, while the super UD lens elements provide excellent correction of the magnification-type chromatic aberration. Innovations such as a lens coating optimized for digital photography help minimize flare and ghosts, which often occur with digital cameras.
The circular aperture diaphragm which brings out a nuanced blur and the achievement of a closest focusing distance of 0.28m over the whole range of the zoom, not only help you in composition, but the quiet, high-speed autofocus and the outstanding dust-proof construction make this lens extremely mobile. The front filter mount does not rotate during focusing, so there is no problem when using circular PL filters or other filters, and in combination with the EF70-200mm f/4L IS USM you can get the right shot almost anywhere you go.
A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.ÊRounded seven-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
In addition to the front 77mm filter ring, this lens also has a rear filter holder for up to three cut gel filters.
|
Filter Size |
77 mm (Front) |
|
Focal Length |
17 to 40mm |
|
Aperture |
Maximum: f/4 |
| Lens Mount |
Canon EF |
| Format Compatibility | Full-Frame |
|
Lens Construction (elements/Groups) |
12/9 |
|
Angle of View |
104¡ to 57¡Ê30' |
|
Max. Diameter x Length (mm): |
83.57 x 96.77Êmm |
| ImageÊstabilisation | No |
| Minimum Focus Distance |
11.02" / 28Êcm |
| Weight (g) |
500g |
- Canon EF 17-40mm f/4 L USM Lens
- Rear Lens Cap
- Front Lens Cap
- Lens HoodÊ
-ÊSoftware CD-ROM
Shipping Cost
We offers free local shipping to most countries only when the total purchase amount is above $150. For orders below $150, there is a fixed additional shipping cost of $50.
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If you would like to ship the items to other places, please feel free to contact us by sending us an email to info@zoomfotopro.com.
Cancellation Policy
You can only cancel your order within 24 hours after you have settled your order. No extra fee will be charged.
If the goods are being packed or even dispatched, you will be responsible for an administrative charge of 20% of the price of goods and a delivery shipping fee will be deducted from your refund.
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