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Overview: The Canon EF-S 15-85mm f/3.5-5.6 IS USM features a
focal length range equivalent to 24-136mm in 35mm format, image stabilization,
and high-precision optics. The EF-S 15-85mm f/3.5-5.6 IS USM offers stellar
performance from wide-angle through to telephoto.
Ultrasonic Motor (USM): The EF 15-85mm lens is equipped with
a ring-type Ultrasonic Motor (USM) for silent, high-speed auto focusing.
Focusing Ring: Regardless of whether you are in manual or
auto focus mode, the focusing ring always works. This means you can auto focus
on a subject, but manually change the focus by turning the focusing ring.
Focus Mode Switch: You can switch between Auto Focus and Manual Focus using the two-way switch on
the barrel of the lens.
Zoom Ring: The lens has a rotary type zoom ring. The lens
barrel indicates the zoom range between 15mm and 85mm, with marks at 15mm, 24mm,
35mm, 50mm, 70mm, and 85mm.
Image Stabilizer: Camera shake can cause blurring when
shooting in low light and at long focal lengths. Canon's advanced Image
Stabilizer uses digital technology to detect camera shake and signal precise
lens shifts that compensate for the movement.
Optional Filters: The EF 15-85mm lens has an 72mm mounting thread on the front of lens for
attaching screw-on type filters.
- Focal Length/Aperture: 15-85mm f/3.5-5.6
- Lens Construction: 12 groups, 17 elements
- Minimum Aperture: f/22-36
- Maximum Aperture: f/3.5-5.6
- Angle of View:
- Diagonal: 84° 30' - 18° 25'
- Vertical: 53° 30' - 10° 25'
- Horizontal: 74° 10' - 15° 25'
- Minimum Focus Distance: 1.2' (0.35m)
- Diameter: 3.225"
- Length: 3.835" (4.285" with caps)
- Weight: 20.3 ounces