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70-200mm focal length
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f/4 constant maximum aperture
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Ring-type UltraSonic Motor (USM)
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EF mount; telephoto zoom lens
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Ultra-low Dispersion glass with Fluorite elements; inner focusing ring; full-time manual focus
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Angle of view (Horizontal, Vertical, Diagonal): 29 to 10 degrees, 19 to 7 degrees, 34 to 12 degrees
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Lens construction: 16 elements in 13 groups
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Number of diaphragm blades: 8
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Minimum aperture: 32
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Closest focusing distance: 4.9 feet
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Maximum magnification: 0.26x (at 200mm)
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AF actuator: Micro USM
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Filter diameter: 67 millimeters
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Maximum diameter by length: 3 x 6.8 inches (76 by 172 millimeters)
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Weight: 25 ounces (705 grams)
