Canon EF 70-300mm f/4,5-5,6 DO IS USM Specifications

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Name Canon EF 70-300mm f/4,5-5,6 DO IS USM

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Manufacturer Canon
Release Date and Price
Release Year 2004
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Lens Type
Lens Type Telephoto Zoom Lens
Zoom or Prime Zoom lens (with the ability to zoom in and out)
Mount and Compatibility
Mount Canon (see compatible cameras)
Compatibility Works on all sensors (see compatible cameras)
Closest Focusing Distance 140 cm
Autofocus (AF) Yes
Built-in autofocus (AF) motor Yes (more info)
Maximum aperture f/4,5-5,6
The lens aperture and brightness varies at different focal lengths.
f/4,5 at 70 mm
f/5,6 at 300 mm
(Read more)
Elements: 18 elements / 12 groups
Focal Range: 70-300 mm

Depending on which camera this lens is used the focal length can seem different. This is because different camera sensors can have a slight crop factor and the focal length will be equivalent to:
  • 70-300 mm on Canon FF, Full frame
  • 91-390 mm on Canon APS-H
  • 112-480 mm on Canon APS-C
See list, camera for camera

Read more on the cameras impact on the perceived focal length
Diameter 82 mm
Length 99 mm
Weight 720 g (see the total weight, camera+lens)
Image stabilization Yes, IS
Filter Filter Thread, 58 mm
Lens Hood ET-65B (included)
Tripod mount No (Read more)
Weather sealing No

Product description from Canon

At launch 2004 Canon wrote this regarding Canon EF 70-300mm f/4,5-5,6 DO IS USM :

"The EF70-300mm f/4.5-5.6 DO IS USM telephoto zoom lens follows the EF400mm f/4 DO IS USM released in 2001 as the second model in Canonīs EF lens lineup to incorporate a DO (Diffractive Optical element) lens. Equipped with a three-layer DO lens specially designed for use in zoom-lens optics, the new lens possesses an exceeding ability to correct chromatic and spherical aberrations and render high-quality images. The lens element also achieves major reductions in size, realizing savings of 28% in overall length compared to comparable lenses incorporating conventional refractive optical elements. Moreover, the size and weight advantage comes at no cost to image quality, with the EF70-300mm f/4.5-5.6 DO IS USM delivering image quality on par with Canonīs L-series lenses. High performance features include image stabilization equivalent to shooting at approximately three shutter speeds faster, a circular diaphragm for improved background blur, and a zoom-ring locking mechanism that locks the lens in the fully retracted position to prevent unintended extension and damage when hanging from the userīs neck."

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