Letter: D

DAM

What Does DAM Mean? DAM stands for Digital Asset Management and in relation to photography, it describes everything we do with our image files from the moment we begin to download them from the memory card or camera. DAM encompasses: What file format we choose to store images in Where we store our images How we back up our images How we ingest the images from the memory card How we append metadata to our images, like keywords and scene descriptions What software we use to manage our images and metadata How we decide to distribute our images File...

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Digital Asset Management

What Is Digital Asset Management? The term “Digital Asset Management” is a bit of a mouthful so most people refer to it by the acronym, DAM.  Please see the DAM entry in the photography glossary to get more information on what this is and why it’s important to photographers.   Additional Reading What Is Photo Mechanic? What Is Lightroom? What Does DAM Mean?...

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Digital Zoom

What Is A Digital Zoom? A digital zoom is when a camera recreates the effect of zooming in with a lens by capturing the image from an increasingly smaller area of the camera’s sensor, and then blowing up that image to the regular size.  It appears as if the lens is zooming in, but in fact the effect is purely software based and has nothing to do with optics at all.  The smaller the area used on the sensor to capture the image, the larger the zoom effect appears to be.  The problem with this method is that it...

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DO

What Is A DO Lens? The DO lettering seen on some Canon lenses stands for Diffractive Optics.  You can spot a DO lens by the bright green ring around the front of the lens barrel, in a similar way to the red rings seen around Canon’s L-Series lenses.  All lenses consists of a number of smaller glass elements within the lens barrel and Diffractive Optics is a technology that allows them to use considerably less optical elements in a lens design.  They do this by bending the light much more with DO lens elements than they typically do with...

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