Thursday, March 22, 2012

Canon Digital Wide Angle Lens


Aside from the price and form factor, the type of lens is an important criterion to consider. There are quality lenses and there are those that appear to be imitations. The Canon Wide Angle Lens is perhaps one of the more popular choices among aficionados. This is because of the quality and the additional features that help deliver stunning photographs.
The Canon Wide Angle Lens has patented technology that allows rapid focusing. This is ideal when taking a photo of subjects in motion or even in events that need to be captured in succession. It covers a wider spectrum which makes it an ideal choice for landscape and portrait shots.
It is important to be aware of the features of the lenses that you intend to purchase. Though they may look the same, they can differ in so many ways that will ultimately affect your photos. While the Canon Wide Angle Lens is a popular choice, it is also important to first determine what you are really looking for in a camera lens. You also have to consider the price because lenses don't come cheap. But if you are well-informed, you can find lenses at reasonable prices, whether online or in shops.

Here I review one of canon digital wide angle lens,

Canon EF-S 15-85mm f/3.5-5.6 IS USM UD Wide Angle Zoom Lens for Canon Digital SLR Cameras


Technical Details
  • 15-85mm lens with f3.5-f.5.6 aperture; for use with APS-C cameras
  • 35mm equivalent to 24-136mm focal length range
  • Dedicated image stabilization
  • Lens construction of 17 elements in 12 groups
  • Compatible with 72mm filters
Lens Specifications
  • Focal Length & Maximum Aperture: 15 - 85mm 1:3.5-5.6
  • Lens Construction: 17 elements in 12 groups
  • UD Glass: 1
  • Diagonal Angle of View: 84 degrees 30' to 18 degrees 25'
  • Focus System: Inner focusing system with USM
  • Closest Focusing Distance: 1.15 ft. / 0.35m
  • Filter Size: 72mm
  • Max. Diameter x Length: 3.2 x 3.4 in./81.6 x 87.5mm
  • Weight (lens only): 20.3 oz./575g
Product Description
EF-S 15-85mm f/3.5-5.6 IS USM extra wide-angle to telephoto zoom lens with 35mm equivalent of 24-136mm * compatible with Canon APS-C format digital SLR cameras * Image Stabilization allows in-focus shots with longer exposure times (up to four stops slower shutter speed) * ring-type Ultrasonic Motor for fast, silent autofocus * available full-time manual focusing (automatically overrides autofocus) * minimum focus distance: approximately 14 inches * lens is 3-7/8" long, 3-1/4" in diameter *

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