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Spanning a flexible Range of telephoto focal lengths, the EF 70-300mm f4-5.6L IS USM is a Canon L-series lens characterized by its relatively compact size and versatility. Two ultra-low dispersion elements are used To greatly reduce color fringing and chromatic aberrations throughout the zoom Range for high clarity and color accuracy, and a Super Spectra coating has also been applied To suppress flare and ghosting for improved contrast. Also, a floating elements mechanism is employed To maintain consistent image quality throughout the focusing Range for notable sharpness from 3.9' To infinity.
Complementing the imaging capabilities, this 70-300mm also features a four-stop-effective Image Stabilizer system that minimizes the appearance of camera shake for sharper handheld shooting. A ring-type USM and internal focusing mechanism also afford quick, quiet, and accurate autofocus performance, as well as full-time manual focus override. Additionally, this lens is weather-sealed and has a protective fluorine coating on the exposed elements for use in trying environmental conditions.
Versatile telephoto zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 112-480mm equivalent focal length Range.
Two ultra-low dispersion glass elements noticeably reduce color fringing and chromatic aberrations for high clarity and color fidelity.
Super Spectra coating has been applied To individual elements To minimize ghosting and flare for greater contrast and color neutrality when working in strong lighting conditions.
An Optical Image Stabilizer helps To minimize the appearance of camera shake by up To four shutter speed stops To better enable working in low-light conditions and with slower shutter speeds. In addition To the single-shot standard IS mode, a second mode is also available that is optimized for panning.
A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed To deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
Floating focus mechanism maintains consistent image quality throughout the focusing Range, from 3.9' To infinity.
Rounded eight-blade diaphragm contributes To a pleasing out of focus quality that benefits the use of shallow depth of field and Selective focus techniques.
Protective fluorine coating has been applied To the front and rear element To resist fingerprints and smudges and To make cleaning these elements significantly easier.
As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.
Optional rotating tripod collar is available and benefits working with the lens atop a tripod or monopod.
| Focal Length | 70 To 300mm |
| Maximum Aperture | f4 To 5.6 |
| Minimum Aperture | f32 To 45 |
| Lens Mount | Canon EF |
| format Compatibility | Full-Frame |
| Angle of View | 34‚° To 8‚° 15' |
| Minimum Focus Distance | 3.94' / 1.2 m |
| Maximum Magnification | 0.21x |
| Optical Design | 19 Elements in 14 Groups |
| Diaphragm Blades | 8 |
| Focus Type | Autofocus |
| Image Stabilization | Yes |
| Tripod Collar | Removable and Rotating (Optional) |
| Filter Size | 67 mm (Front) |
| Dimensions (ƒ¸ x L) | 3.5 x 5.63" / 89 x 143 mm |
| Weight | 2.31 lb / 1050 g |