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How to Read an MTF Chart
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MTF charts (short for Modulation Transfer Function) provide a graph analyzing a lens' ability to resolve sharp details in very fine sets of parallel lines, and a lens' contrast or ability to provide a sharp transfer between light and dark areas in sets of thicker parallel lines. Fine repeating line sets are created parallel to a diagonal line running from corner to corner of the 35mm frame, directly through the exact center of the image area. These are called sagittal lines, sometimes designated "S" on Canon's MTF charts.
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Clean and Sanitize Your Camera Equipment
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Cleaning of Camera, Lens and Video Products For the purpose of helping to sanitize your Canon Camera, Lens and Video products, it is recommended that you clean parts touched with the hands such as camera grips, dials and lens exteriors.
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Introducing the Canon RF 24-70mm F2.8 L IS USM
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Experience the possibilities with the new RF 24-70mm F2.8 L IS USM lens. Engineered with Nano USM technology for accurate and silent AF operation — combined with reduced focus breathing for more seamless focus transitions — this dynamic L-series lens helps you cover it all.
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Using the tripod mount on the EF 400mm f/4 DO IS USM lens
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Adjusting the Resolving Mount
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Definition of Permissible Circle of Confusion
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Permissible circle of confusion The range of sharpness of an image (picture) is determined by taking the resolving power of the human eye into consideration. A circle of confusion within the limit where the image is actually perceived as sharp is called the permissible circle of confusion (equal to or similar to the minimum circle of confusion).
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Compatible Cameras and Lenses for the Function of Correcting Lens Aberration with Digital Photo Professional Ver.3.11
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Compatible Cameras and Lenses for the Function of Correcting Lens Aberration with Digital Photo Professional Ver.3.11 ID : 8201408100 _ EN _ 2 Solution Compatible Cameras
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Canon Maintenance Service
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Canon Maintenance Service will help ensure your Canon EOS Digital SLR camera and EF lenses maintain optimal condition and performance. Your equipment will be serviced by Canon Factory Trained Technicians, using state-of-the-art technology, to help ensure continued optimal image quality.
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Definition: Wide-Angle Lens
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Wide-Angle Lens Wide-angle lenses help us capture the big picture. They are commonly used for landscape and interior photography, when we want to photograph a large part of the scene and get the elements in a scene in focus.
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Cameras and Lenses Compatible with the Digital Lens Optimizer feature (Digital Photo Professional Ver.3.14.40) (EOS 7D Mark II)
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Cameras and Lenses Compatible with the Digital Lens Optimizer feature (Digital Photo Professional Ver.3.14.40) (EOS 7D Mark II) ID : 8202232600 _ EN _ 2 Solution Cameras compatible with the Digital Lens Optimizer feature
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Cameras and Lenses Compatible with the Lens Aberration Correction Function of Digital Photo Professional Ver.4.2.10
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Cameras and Lenses Compatible with the Lens Aberration Correction Function of Digital Photo Professional Ver.4.2.10 ID : 8202595200 _ EN _ 2 Solution Compatible Cameras
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