This article reviews the full frame performance of the Canon EF 17-40mm f/4L lens. My intented use of the lens is for landscape photography with a Canon EOS-1Ds camera. The EF 17-40mm f/4L lens (left panel) is a very sharp, high contrast zoom lens with performance characteristics that often match and sometimes exceed those of quality prime6 µm. Introduction Introduced in 2003 the EF 17-40 f/4L USM was one of the first of the lightweight pro-level L-series zooms from the firm adopting a constant f4 aperture. Not only does that make the lens relatively small and more portable compared with the f2.8 varients, but it also helps keep it moderately priced. Key Features. Model: Canon EF 17-40mm f/4 L USM Lens. Focal Length: 17 to 40mm. Maximum Aperture: f/4. Angle of View: 104° to 57° 30'. Zoom System: Rotating type. View More Info. local_offer. 300৳ Discount.
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This item Canon EF 17-40 mm f/4.0 L USM Ultra-Wide Angle Canon EF Zoom Lens - Black Canon telephoto lens EF 75-300mm F4.0-5.6 III for EOS (58mm filter thread, autofocus) black Canon 344B006 EF 24-105mm f/4.0 L IS USM Lens (Renewed)
The Canon EF 17-40mm f/4L USM lens is very handy for landscape and other form of wide angle photography. On a digital body with 1.6x crop factor, it has an effective focal length of 27.2mm at the wide end. Hence, though much more expensive, the 17-40mm lens can serve as an option against 28-80mm kit lens for those who need a wide angle alternative. has a silent focus motor built into the lens. Canon EF 17-40mm f/4L USM. Sony FE 35mm f/1.4 GM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor. minimum focus distance. Shown above are the Canon EF 17-40mm f/4L USM Lens, Canon EF 16-35mm f/2.8L USM Lens, Canon EF 16-35mm f/2.8L II USM Lens and Canon EF 24-70mm f/2.8L USM Lens. I'm very pleased with the image quality I'm getting from this lens. Wide open results are very sharp in the center and improve only slightly stopped down. Wide angle full frame corners [LOTW] Canon EF 17-40mm f/4L taken with Canon 5D Mark IV @ f/16, ISO 100, 17mm- The Swift River, Albany, NH Post reviews, articles, and videos of products For the longest time Canon’s full-frame ultra-wide-angle zoom lens situation was carried by the EF 16–35mm f/2.8L USM and the EF 17–40mm f/4L USM lenses. The choice between the two largely came down to picking whether you needed the faster aperture for active subjects, or couldn’t afford the f/2.8 lens.Dear all, I am picking out a new kit for a trip to the Galapagos in May and am trying to select what lenses to bring along. I am thinking of purchasing either of these lenses to complement an EF 70-300mm f/4-5.6L IS USM (or should I get a EF 70-200mm f/2.8L IS II USM plus Extender EF 2x III?).
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