Canon EF-S 18-200mm lens

Canon EF-S 18-200mm lens

Infobox photographic lenses
name = EF-S 18-200


maker = Canon
feat-is = y
feat-usm = n
feat-sbf = y
feat-macro = n
feat-special =
type = z
application = Superzoom
flength = 18-200mm (35 mm equivalent of 29–320mm)
fov = 1.6
aperture = 3.5 / 22 at 18mm, 5.6 / 36 at 200mm
groups = 12
elements = 16
diaphragm =
close-dist = 0.45 m
max-mag = 0.24x
weight = 600g
max-diameter =
max-length =
filter = 72 mm
hood =
case =
av-horiz =
av-vert =
av-diag = 74º - 8º
start =
msrp = $700
category = Canon EF-S lenses

The Canon EF-S 18-200mm lens is a forthcoming superzoom lens, manufactured by Canon. It is the kit lens for the Canon EOS 50D digital camera, and replaces the previous EF-S 17-85mm, in Canon's product line-up, losing 1mm off the wide end, but offering a roughly 2.5x longer telephoto end.

While Canon have produced superzooms for the older EF mount, they function only as standard zoom to long telephoto lenses on cameras equipped with APS-C sensors. This is the first EF-S lens made by Canon to offer both wide-angle and telephoto shooting range in the same package. Other manufacturers, including Sigma and Tamron have had similar lenses available for EF-S cameras for some time; however, their lenses generally only work at f/6.3 when fully zoomed in, which can make autofocusing unreliable (Canon's APS-C cameras are only designed to autofocus up to f/5.6). Canon's version is a third of a stop faster when fully zoomed in, which means that autofocusing is more reliable, and the lens is slightly faster as well.

It is almost functionally identical to the Canon 28-300L lens, which also has image stabilization and comparable apertures and focal lengths when mounted on a 35mm (or full-frame) camera. Early previews indicate that the 18-200 does not compare to the 28-300L in terms of image quality, though this is understandable since the latter is priced much higher, due to it belonging to the L-series line.

External links

* [http://www.anandtech.com/digitalcameras/showdoc.aspx?i=3388 Anandtech: Canon EOS 50D overview]
* [http://www.dpreview.com/previews/canon_18-200_3p5-5p6_is Preview at dpreview.com]


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