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Overview: The Canon EF-S 55-250mm f/4-5.6 IS STM lens is a
telephoto zoom lens for use with select Canon EOS cameras. It has an Image
Stabilizer (IS) that helps eliminate image blur caused by camera shake. The lens
a built-in Stepping Motor (STM) that drives the focus lens for smooth and quiet
Movie Servo AF. The lens is constructed of
15 elements in 12 groups, including UD (ultra-low dispersion)
elements for excellent imaging capability.
EF-S Lenses: Canon's EF-S lenses are designed for Canon EOS
7D, 70D, 60D, and all EOS Rebel and Digital Rebel cameras with APS-C sized image
sensors (with a 1.6x crop factor). EF-S lenses take advantage of the sensor's
smaller size to deliver optimized performance in compact, lightweight designs.
Focus Modes: The EF-S 55-250mm lens is equipped with a two-way
switch for setting the Focus Mode. You can choose from AF (auto focus) or MF
(manual focus). In Manual Focus mode, you can focus on your subject by turning
the focus ring. The focusing ring always works, regardless of the focus mode.
Image Stabilizer (IS): The built-in Image Stabilizer
provides an equivalent of up to 3.5 stops of shake correction. This function is
particularly helpful during handheld photography, and when shooting far away
objects with the lens at full zoom. The Image Stabilizer can be activated using
the two-way switch on the barrel of the lens.
7-Blade Aperture: The lens' 7-blade circular aperture
delivers beautiful, soft backgrounds.
Optional Lens Hood: The optional ET-63 lens hood prevents
stray light from entering the lens,
and protects the lens from rain, snow, and dust.
Optional Extension Tubes: The lens is compatible with the
optional EF12 II and EF25 II extension tubes for magnified shots.
Precaution With Rebel T4i/650D Camera: When using the EF-S
55-250mm f/4-5.6 IS STM lens with the Canon EOS Rebel T4i/650D camera, you will
need to update the firmware to version 1.0.4 or later. Otherwise, you may risk a
chance that the camera will temporarily stop operating.
- Focal Length: 55-250mm
- Minimum Aperture: f/22-32
- Maximum Aperture: f/4-5.6
- Minimum Focus Distance: 2.79 feet
- Maximum Magnification: 0.29x (at 250mm)
- Filter Diameter: 58mm
- Angle of View:
- Diagonal: 27° 50' - 6° 15'
- Vertical: 15° 40' - 3° 30'
- Horizontal: 23° 20' - 5° 20'
- Dimensions: 2.758" Diameter, 4.754" Length,