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The 70-300mm f/4.5-5.6 DO IS USM lens is an
ultra compact telephoto zoom lens that offers superior performance and
incorporates DO (Diffractive Optics) and IS (Image Stabilizing)
technology.
Use of Diffraction Optics allows lenses to
be designed so that they are shorter and lighter than comparable
refractive optical systems.
The lens' AF is super-fast and silent with
a ring-type USM, focuses down to 4.6 feet, and features a new zoom lock
button that keeps the lens safe and secure when not in use or used at the
wide angle setting. The ideal lens for sports, portraiture, animals etc.
Key Features
• 3 UD elements eliminate secondary
spectrum chromatic aberration
• Three-layer type DO (Diffractive
Optics) lens is optimised for zoom lens optics and provides class-leading
low size and weight
• Optimised lens coating to minimise
ghosting and flare
• Zoom ring locking mechanism that locks
the lens at its shortest total length
• Image Stabilizer gives equivalent
effect of a shutter speed three stops faster during hand-held shooting
• Circular aperture producing attractive
background defocus
• Manual focusing enabled even during the
AF mode
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