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EF 28-90mm f4-5.6 USM | |||||||||||||||||
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introduced 2000 The lens features aspherical elements; this improves image quality across the entire zoom range by reducing lens aberrations. The lens elements are also environmentally-friendly-- the use of lead-free glass reduces pollution at the manufacturing stage. The USM lens features a micro motor unit which gives high-speed, near-silent operation. The lens is finished in black. Construction: 10/8 | |||||||||||||||||
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