==> Only Visit store to see price Best Buy The Canon EF 100-300mm lens completes a fusion of state-of-the-art electronics, mechanical precision, and optical excellence. The fully electronic EF lens mount is unique among 35mm SLR cameras, operating silently and reliably due to the complete elimination of mechanical couplings. It has a custom- designed autofocus motor and microprocessor, and employs ultrasonic motor technology, aspherical lens elements, flourite crystal and ultralow-dispersion glass. The EF 100-300mm is designed for use with all EOS cameras, allows auto and manual focus modes, rear focusing system, and has an affordable price.

EF mount; telephoto zoom lens

Inner focusing; full-time manual focus

100-300mm focal length

f/4.5-5.6 maximum aperture

Ring-type UltraSonic Motor (USM)

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