Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras

Purchasing a brand-new Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras may very well be interesting but additionally somewhat requiring regarding the expense. Consequently, people today frequently search for fantastic Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras provides make this happen stretch your budget.

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Product Description

From the Manufacturer
Broaden your point of view with the Canon EF 17-40mm ultra-wide-angle zoom lens. Ideal for each film and digital SLR cameras, the lens provides three aspherical lens components in addition to a Super UD (ultra-low dispersion) glass element, developing superior optics in all situations. In addition, the lens focuses as close as 11 inches (.28mm), and offers each Canon's full-time manual focus and a effective ring-sort ultra-sonic monitor (USM) that produces rapidly and silent autofocus. Other features involve a constant f/four maximum aperture, the selection of screw-in 77mm filters or a holder in the rear of the lens for up to three gel filters, and optical coatings optimized for use with digital cameras. Boasting weather-resistant construction related to other high-finish L-series cameras, the lens carries a a single-year warranty.

Focal length: 17-40mm
Maximum aperture: 1:4
Lens construction: 12 elements in 9 groups
Diagonal angle of view: 104 to 57 degrees (at 30 feet)
Focus adjustment: Inner focusing program with USM
Closest focusing distance: .9 feet
Zoom technique: Rotating type
Filter size: 77mm
Dimensions: 3.three inches in diameter, three.8 inches lengthy
Weight: 1.1 pounds

A new and cost effective L-series ultra-wide-angle zoom lens that is excellent for each film and digital SLRs. Superior optics are assured by the use of 3 Aspherical lens elements, in addition to a Super UD (Ultra-low Dispersion) glass element. Optical coatings are optimized for use with digital cameras. This lens focuses as close as 11 inches (.28m), and delivers each Canon's full-time manual concentrate and a effective ring-form USM for fast and silent AF. It has a continuous f/4 maximum aperture, and delivers the option of screw-in 77mm filters or a holder in the rear of the lens for up to 3 gel filters. Lastly, it offers weather-resistant construction related to other high-end L-series lenses.
About half the value of the 16-35 f/2.eight lens, this L-series lens has an completely new optical style with three Aspherical elements and a Super UD-glass element. The mixture gives superb contrast and sharpness, even at the widest settings. It really is best for each film and digital SLRs, and attributes the same weather-resistant style, rear gel filter holder, and high-speed Ultrasonic Motor as the EF 16-35mm lens.

Product Attributes

17-40mm ultra-wide-angle zoom lens with f/four maximum aperture for Canon SLR cameras
3 aspherical lens components and super UD glass element develop superior optics in all conditions
Powerful ring-sort ultra-sonic monitor (USM) produces rapid and silent autofocusing
Focuses as close as 11 inches supports screw-in 77mm filters or up to three gel filters
Weather-resistant construction measures three.three inches in diameter 1-year warranty