EF70-300mm F4.5-5.6 DO IS USM Instruction Manual
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...DO" stands for Diffractive Optics. • "IS" stands for Image Stabilizer. • "USM" stands for quick and quiet autofocusing. 5. Manual focusing is a high-performance, compact telephoto zoom lens for Canon EOS cameras, equipped with outstanding image quality. 2. ENG-1 Features 1. A truly round aperture... aberrations that tend to occur with telephoto zoom lenses, and contribute to achieving an innovative compactness with DO (diffractive optics) lens elements and an Image Stabilizer. The Canon EF70-300mm f/4.5-5.6 DO IS USM is available after the subject comes into focus...
...DO" stands for Diffractive Optics. • "IS" stands for Image Stabilizer. • "USM" stands for quick and quiet autofocusing. 5. Manual focusing is a high-performance, compact telephoto zoom lens for Canon EOS cameras, equipped with outstanding image quality. 2. ENG-1 Features 1. A truly round aperture... aberrations that tend to occur with telephoto zoom lenses, and contribute to achieving an innovative compactness with DO (diffractive optics) lens elements and an Image Stabilizer. The Canon EF70-300mm f/4.5-5.6 DO IS USM is available after the subject comes into focus...