The CanonEf-S 55-250mm f/4.0-5.6 is a small, light and affordable telephoto zoom lens with an impressive focal distance range. This telephoto lens is more than suitable for every day needs, but because it is an "Ef-S" lens it is worth mentioning that it can only work on a aps-c/1.6x body, so just make sure it fits your camera if your reasoning of purchasing this lens.
This is more or less an entry level zoom, there are also others out there as well and like them the build quality on the CanonEf-S 55-250mm f/4.0-5.6 isn't exquisite but for daily use its more than adequate. The focus ring isn't very flat but it is by no means terrible on the other hand the zoom ring is pretty good and allows flat transitions throughout the zoom ranges.
Canon Ef Lens
The autofocus speed on this lens is relatively slow so if you were reasoning of shooting sports with this lens you will want to look at a different lens, however for slow spirited objects this isn't a problem, this is also helped out by the f4-f5.6 cleft which gives a large depth of field.
An exquisite highlight of this lens is the image stabilisation which allows you to minimise the estimate of camera shake, this is especially beneficial when shooting at the higher zoom range.
The sharpness of the lens isn't great, the centre point is good but as you get additional out the image tends to come to be a lot softer. Keeping your field in the centre of the image will allow the sharpest results but we all know that having the field in the centre of the image does nothing for our mixture of the photo most of the time.
Overall the CanonEf-S 55-250mm f/4.0-5.6 is an affordable zoom lens for the beginner photographer, however if you want a much better lens and you're willing to spend a exiguous extra I would advise the Canon 70-200mm f4l lens which is part of their professional series of lenses. however if you're seeing for an cheap zoom lens which is light to carry and has image stabilisation then this may be the lens for you.
The Ef-S series of lenses, by Canon, are exceptional lenses applicable for Canon digital Slr cameras such as: the Eos 20D and Rebel models. Why? The key invent feature aims to match the Aps-C imaging sensor with the image circle. How? This matching objective is achieved by reducing length between the rear of the lens and the focal plane, thus decreasing the size of the image circle.
The result? Canon's Ef-S lenses are more sufficient in terms of: weight and cost of wide-angle lenses while ensuring classic image quality, resolution and contrast at all focal lengths.
Canon Ef Lens
As a member of the Ef-S family of lenses, the 17-85 F4 Is Usm is a strong performing wide-angle to telephoto lens. Its list of features include: Image Stabilization for hand-held situations; and is optically optimized for the digital Slr camera; a ring-type Usm designed for fast and silent auto focus. The full-time hand-operated focus in Af mode is also a beneficial addition.
The Ef-S 17-85mm f/4-5.6 Is Usm lens provides a 5x zoom ratio and an angle of view equivalent to a 27-136mm lens on a 35mm camera. Also present in this lens is a glass-molded aspherical lens element with aspherical surfaces on both sides. The result, superb image capability straight through the full zoom range. The focusing length is impressive at a length of 12 inches at all focal lengths. Finally, the Ef-S 17-85mm Is lens, when compared to the Ef 28-135mm Is lens, is 5% shorter and 12% lighter, and accepts 67mm filters.
Kit includes: ♦ 1) Canon EOS Rebel T3i Digital SLR Camera Body & EF-S 18-55mm IS II Lens ♦ 2) Canon EF-S 55-250mm f/4.0-5.6 IS Zoom Lens
The Canon EOS Rebel T3i features Canon's DIGIC 4 Image Processor and an 18.0 Megapixel CMOS Image Sensor. Other cutting-edge technologies include Full HD video recording, Live View shooting, wireless flash photography and even a Vari-angle 3.0-inch LCD monitor. Included is the EF-S 18-55mm IS II Lens for lightweight, versatile shooting and superior images.
The Canon EF-S 55-250mm IS Telephoto Zoom Lens is designed with Optical Image Stabilizion (OIS). It is equivalent to a focal length of 88-400mm in the 35mm format and is 4 stops faster than a same size lens without OIS.
canon ef 75-300mm f/4.0-5.6 III Tube. Duration : 3.00 Mins.
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Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras Review
Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras Feature
Focal Length & Maximum Aperture: 55-250mm F/4-5.6
12 Elements In 10 Groups, Including One UD-glass Element
Focus Adjustment: DC Motor, Gear-driven(front Focusing Design)
Closest Focusing Distance: 3.6 Ft./1.1m
Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras Overview
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.
Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras Specifications
Incorporating Canon's Optical Image Stabilizer technology, this Canon 55-250mm telephoto zoom lens captures long distance, low-light shots far better than many comparable lenses, helping you photograph the far-off action of athletes or zoom in for an intimate portrait with a blurred background. The 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). More significantly, the image stabilizer effect creates an equivalent shutter speed of roughly four stops faster than the same size lens without an image stabilizer. In other words, if the slowest shutter speed you can hold a 250mm lens steadily is normally 1/250th of a second, this Canon lens will let you hand-hold shutter speeds as slow as 1/15th of a second. The lens also boasts a UD-glass lens element to correct chromatic aberration to create excellent image quality throughout the zoom range. Delivering an excellent performance at an affordable price for all photographers, the 55-250mm lens carries a one-year warranty.
Specifications
Focal length: 55-250mm
Maximum aperture: f/4 to f/5.6
Lens construction: 12 elements in 10 groups, including one UD-glass element
Diagonal angle of view: 27 degrees (at 50 feet) to 6 degrees (at 15 feet), with APS-C image sensors
Focus adjustment: DC motor, gear-driven (front focusing design)
Closest focusing distance: 3.6 feet (0.31x maximum close-up magnification)
Filter size: 58mm
Dimensions: 2.8 inches in diameter and 4.3 inches long