User manual
Canon EF 24-70mm f 4L IS

User Manual for Canon EF 24-70mm f 4L IS USM Lens

• Product category: Uncategorized Canon
• Brand: Canon
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Canon Uncategorized

Product description

• Standard zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 38.4-112mm equivalent focal length range.

• Constant f/4 maximum aperture maintains consistent illumination throughout the zoom range.

• Two ultra-low dispersion glass elements noticeably reduce color fringing and chromatic aberrations for high clarity and color fidelity.

• Two aspherical elements minimize spherical aberrations and distortions for improved sharpness and accurate rendering.

• 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.

• A ring-type Ultrasonic Motor (USM), along with an internal focusing design, optimized focusing algorithms, and a high-speed CPU, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.

• Minimum focusing distance of 1.2' is available throughout the zoom range and a dedicated macro position can be used to achieve a maximum magnification of 0.7x in conjunction with a minimum focusing distance of 7.9".

• Rounded nine-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.

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Technical parameters

Focal Length	24 to 70mm
Maximum Aperture	f/4
Minimum Aperture	f/22
Lens Mount	Canon EF
Format Compatibility	Full-Frame
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