Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras

!±8± Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras

Brand : Canon | Rate : | Price : Too low to display
Post Date : Mar 26, 2012 14:32:05 | Usually ships in 24 hours

Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras

This telephoto zoom lens is designed with Canon's Optical Image Stabilizer technology while retaining compactness and lightness, in response to demands of photographers. This high zoom ratio lens is equivalent to a focal length of 88-400mm in the 35mm format (when used on Canon EOS cameras compatible with EF-S lenses), and the image stabilizer effect equivalent to a shutter speed about 4 stops faster than the same size lens without Image Stabilizer. In other words, if the slowest shutter speed you could formerly hold a 250mm lens steadily was 1/250th of a second, with Canon's 4-stop stabilization correction, you could hand-hold at shutter speeds as slow as 1/15th of a second. It also uses a UD-glass lens element to correct chromatic aberration for excellent image quality throughout the zoom range. This new EF-S telephoto lens with great features delivers excellent performance at an affordable price for all photographers.

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The difference (FOV) between the full frame(Canon 5DMII) and crop sensors(Canon 7D)

!±8± The difference (FOV) between the full frame(Canon 5DMII) and crop sensors(Canon 7D)

Original Source: vimeo.com 5Dmk2/7D lens comparison test by Mike Collins This is a short test with the tripod in the same spot switching between prime lenses to show how the crop affects the 7D. The subject, ace stand in Chris Clement, was roughly five feet from the camera. This isn't meant to be an aesthetic test to show the difference in image quality between the two cameras. It's a down and dirty field guide for myself and the other shooters we work with so we can quickly figure what lens we want to use on each camera. We go from 20mm all the way to 100mm with a Lensbaby composer thrown in at the very end. This video shows the difference in term of FOV between the full frame Canon EOS 5D Mark II (reviews) and the 1.6 crop factor Canon EOS 7D (reviews) using the same lenses.

The difference (FOV) between the full frame(Canon 5DMII) and crop sensors(Canon 7D)

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Sony DT 18-70mm f/3.5-5.6 Aspherical ED Standard Zoom Lens for Sony Alpha Digital SLR Camera

!±8± Sony DT 18-70mm f/3.5-5.6 Aspherical ED Standard Zoom Lens for Sony Alpha Digital SLR Camera

Rate : | Price : | Post Date : Jan 08, 2012 08:57:26
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RE) SONY 18-70MM F/3.5-5.6 ZOOM

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Digital Slr Camera Lenses

!±8± Digital Slr Camera Lenses

Understanding how to use the lens is basal if you want to get the best out of your dSlr camera and take fantastic photographs. Combined with the cleft and shutter speed the lens is one of the key components on the camera.

As the focal length of the camera increases, the branch will appear larger and the angle of view will decrease. Not only that the background of the image loses sharpness so the only object in focus in the frame is the subject.

Standard Lenses

In today's shop most cameras come fitted with a zoom lens. A suitable lens is 50mm and will show the branch within the photo similar to what can be seen by the naked eye. The suitable lens will therefore give a natural view of the branch and are favorable to use for still life photographs.

Wide Angle Lenses

The wide angle lens includes more of a branch than can be viewed with a suitable lens and are very remarkable when taking landscape photographs as more of the landscape is captured within the frame. They also furnish an perfect depth of field as both the foreground and background will appear in focus.

Wide angle lenses can also be effectively used for photographing confined spaces as more of the scene is captured without having to move back.

Telephoto Lenses

The telephoto can make a branch far away appear close in the frame. The telephoto lens allows you to take photographs of scenes where it isn't feasible to get close to the branch for example photographing wild life. As the depth of field is also reduced with the telephoto lens they can be ideal for portrait photography as the background will be out of focus providing no distractions from the branch which will be sharply focused.

Macro Lenses

Macro Lenses are used at close focusing distances so that small subjects can appear large in the photograph. The macro lens can make the branch appear life size but still have the zoom functionality allowing you to photo far away subjects. remarkable for photographing small subjects such as insects, but can also be used to detach a single aspect of a larger subject.

Digital Slr Camera Lenses

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