Canon EF 70-300mm f/4.5-5.6 DO IS USM Lens

PRODUCT HIGHLIGHTS:

• EF Mount Lens
• Aperture Range: f/4.5-40
• Diffractive Optical Elements
• Two-Mode Image Stabilization System
• Ultrasonic Autofocus Motor
• Manual Focus Override
• Zoom Ring Lock Lever
• Compact Form Factor
• Truly Circular Diaphragm
• Minimum Focus Distance: 4.6

DESCRIPTION:

The EF 70-300mm f/4.5-5.6 DO IS USM Lens from Canon is a relatively compact telephoto zoom offering superior maximum-aperture performance across its entire focal length range. It incorporates Canon's DO (Diffractive Optics) and IS (Image Stabilizing) technologies.

The use of Diffraction Optics allows a lens to be shorter, lighter, and of higher image quality than comparable normal optical systems of the same focal length and aperture-while this lens is heavier than the consumer-grade EF 70-300mm f/4-5.6 IS USM lens, it is 28% shorter and uses Canon's very best ring-USM (ultrasonic) motor instead of the lighter, slower, and less costly 'micro-USM' motor.

The DO lens performs admirably at its maximum aperture, with images that are very comparable to the "L" series telephotos. It has a circular aperture diaphragm to help create natural out-of-focus highlights, and its built-in two-mode image stabilizer allows you to handhold the lens at shutter speeds 3 steps slower than would otherwise be possible. Mode 1 corrects vibrations in all directions and is best for still subjects whereas Mode 2 is best when following moving subjects either horizontally or vertically.

The lens' AF is super-fast and silent with a ring-type USM that focuses down to 4.6', and it enables manual focus override for precise manual focus even in AF mode. It also features a zoom lock button that keeps the lens safe and secure when not in use or when being used at the shortest 70mm focal length setting.  The EF 70-300mm f/4.5-5.6 DO IS USM is an ideal lens for sports, portraiture, animals, and other applications when you're shooting in relatively bright light.

SPECIFICATIONS:

• Focal Length     70 - 300mm Comparable APS-C 1.6x Focal Length: 112 - 480 mm
• Aperture     Maximum: f/4.5 - 5.6 Minimum: f/32 - 40
• Camera Mount Type     Canon EF
• Format Compatibility     35mm Film / Full-Frame Digital Sensor Canon (APS-C)
• Angle of View     34° - 8° 15'
• Minimum Focus Distance     4.60' (1.40 m)
• Magnification     0.19x
• Maximum Reproduction Ratio     1:5
• Elements/Groups     18/12
• Diaphragm Blades     6

FEATURES:

• Image Stabilization     Yes
• Autofocus     Yes
• Tripod Collar     No

PHYSICAL:

• Filter Thread     Front:58 mm
• Dimensions (DxL)     Approx. 3.24 x 3.93" (82.4 x 99.9 mm)
• Weight     1.58 lb (720 g)

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