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Comparison Canon 55-250mm f/4.0-5.6 EF-S IS STM vs Canon 55-250mm f/4.0-5.6 EF-S IS

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Canon 55-250mm f/4.0-5.6 EF-S IS STM
Canon 55-250mm f/4.0-5.6 EF-S IS
Canon 55-250mm f/4.0-5.6 EF-S IS STMCanon 55-250mm f/4.0-5.6 EF-S IS
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from £316.19 
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Main
Quiet and nimble STM autofocus stepper motor. Effective image stabilizer. A light weight.
Lens typetelephoto lenstelephoto lens
DxOMark rating11
System
Canon
Canon
Mount
Canon EF-S
Canon EF-S
Specs
Focal length
55 - 250 mm /88-400mm (35mm equivalent)/
55 - 250 mm /88-400 mm with APS-C matrices/
Aperture valuef/4.0 - f/5.6f/4.0 - f/5.6
Viewing angles
23° 20' - 5° 20', 15° 40'- 3° 30', 27° 50' - 6° 15' /horizontally, vertically, diagonally/
23° 20' - 5° 20', 15° 40'- 3° 30', 27° 50' - 6° 15' /horizontally, vertically, diagonally/
Min. diaphragm
22 /22-32/
22 /22-32/
Minimum focus distance0.85 m1.1 m
Maximum zoom
0.29 /at 250 mm/
0.31 /at 250 mm/
Design
Sensor sizeAPS-CAPS-C
Autofocus drive
stepper motor /stepper/
motor
Image stabilization
 /4-speed/
Design (elements/groups)15 elements in 12 groups12 elements in 10 groups
Number of diaphragm blades77
Filter diameter58 mm58 mm
Dimensions (diameter/length)70х111 mm70x108 mm
Weight375 g390 g
Added to E-Catalogaugust 2013october 2007

DxOMark rating

The result shown by the lens in the DxOMark rating.

DxOMark is one of the most popular and authoritative resources for expert testing of photography devices. According to the test results, the lens receives a certain number of points; The more points, the higher the final score.

Minimum focus distance

Minimum focus distance (m) - the smallest distance from which you can focus on an object and take a photo. Usually it ranges from 20 cm for wide-angle lenses to several metres for telephoto. In the macro mode of the camera or with the help of macro lenses, this distance can be less than 1 centimeter.

Maximum zoom

The degree of magnification of the object being shot when using a lens for macro shooting (that is, shooting small objects at the maximum possible approximation, when the distance to the subject is measured in millimetres). The degree of magnification in this case means the ratio of the size of the image of the object obtained on the matrix of the camera to the actual size of the object being shot. For example, with an object size of 15 mm and a magnification factor of 0.3, the image of this object on the matrix will have a size of 15x0.3=4.5 mm. With the same matrix size, the larger the magnification factor, the larger the image size of the object on the matrix, the more pixels fall on this object, respectively, the clearer the resulting image, the more details it can convey and the better the lens is suitable for macro photography. It is believed that in order to obtain macro shots of relatively acceptable quality, the magnification factor should be at least 0.25 – 0.3.

Autofocus drive

A type of drive that ensures the movement of lens structural elements during automatic focus. Currently, the following types can be used:

Ultrasonic motor. The most advanced type of drive to date. Ultrasonic motors are much faster than conventional motors, provide higher accuracy, consume less power and are virtually silent. However, their cost is quite high.

Stepper motor. Drive control focal length and zoom (zoom). This type of motor is used for the most part only in full-size digital cameras. Among the advantages of a stepper motor, one can note: high reliability and accuracy of operation; in addition, it does not require power supply to maintain focus and zoom. Of course, stepper motors are not without drawbacks. Among the minuses can be identified: slow speed and increased noise. Additionally, a stepper motor is characterized by large dimensions and a rather large weight, which physically does not allow this type of drive to be integrated into the optics of mobile phones and ultra-compact cameras.

— Motor. In this case, an electric motor of a traditional design is meant. Such drives are simple and, as a result, inexpensive. Their disadvantages are the relatively low speed of operation, as well as the noise produced during this; the latter can sometimes be critical — for example, when shooting wildlife. Recently, designers have been us...ing various tricks to neutralize these shortcomings, but in general, the characteristics of conventional motors still remain relatively modest.

— Is absent. The complete absence of an autofocus motor in the lens. Focus such optics can be carried out either by the “screwdriver” system, or strictly manually (for more details on both options, see below).

Design (elements/groups)

The number of elements (in fact, the number of lenses) included in the design of the lens, as well as the number of groups in which these elements are combined. Usually, the more elements provided in the design, the better the lens handles with distortions (aberrations) when light passes through it. On the other hand, numerous lenses increases the dimensions and weight of the optics, reduces light transmission (for more details, see "Aperture") and also puts forward increased requirements for the quality of processing, which affects the cost of the lens.
Canon 55-250mm f/4.0-5.6 EF-S IS STM often compared
Canon 55-250mm f/4.0-5.6 EF-S IS often compared