Camera Lenses

Canon Ef 17-40mm F/4l Usm Pro Ultrawide Angle Zoom Lens

Snap-on 77mm front lens cap. Canon soft lens case lp1319 (unused). Canon ef 17-40mm f4 l wide angle zoom lens. Is for many one of the best wide angle zoom lenses available, capable of producing clear, contrasty and sharp images.

Certainly, image quality is on a par with even the legendary carl zeiss and leica lenses but at half the cost. Auto focus is accurate, quiet and fast and if you need manual focus it is smooth and intuitive. This lens is beautifully made, with the typical canon high quality finish that the company is renowned for. From the moment you lay eyes on it you know this is a lens which is made of quality materials.

The black finish is immaculate and the weight and feel is that of a precision instrument and a fine photographic tool. Images produced by the 17-40mm f4 are superb! Clear and smooth with a wide tonal range and fantastic shadow detail, producing a lovely 3d look to your images. The razor sharp, beautiful depth of field helps you produce stunning images.

Prints from images taken with this lens look like theyve been taken with medium format rather than digital and they have a wonderful tonal range and that wow factor that you wont get with many lenses - simply stunning! Ok, i wont go on anymore about this fantastic photographic tool because there are plenty of writeups and reviews, as well as all the technical information you could want, easily available on the web. I hope it will go to someone who appreciates what a great photographic tool the.

When used with such digital slr cameras, the 17-40mm focal length range gives an angle of view approximately equivalent to that of a 27-64mm lens upon 35mm cameras, making it an ideal medium-aperture standard zoom lens. The ef 17-40mm f/4l usm, like all of the canon “l” lenses, delivers optical performance equal to similar fixed focal length lenses, with silent, high-speed focusing. Distortions and aberrations are remarkably small for a lens of such amazing capability. It combines 1 high-precision molded glass aspherical lens and 2 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.

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. An autofocus super wide angle zoom lens for both film and digital cameras.

Produces 27-64mm equivalent focal length with “aps-c” size digital eos slr cameras such as the eos 20d, eos 30d, eos digital rebel, eos 50d, etc. Uses 3 aspherical lens elements and canon super ud ultra-low dispersion glass. Provides professional levels of moisture and dust resistance. Circular aperture diaphragm for better, more natural looking background blurring. Canon ef 17-40mm f4 l. It is virtually brand new! It has been stored in a de-humidifier and has been well looked after with only minimal use. I can guarantee that there is virtually no sign of use on this lens- it is unmarked. Have a look at the photos and youll see what i mean. Canon ef 17-40mm f4 l wide angle lens.

Lens and all accessories in perfect condition. There are absolutely no scratches, or marks on this lens - it is virtually brand new! Please view the images carefully to see the excellent condition of this item.

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