Line is a point that continues; it implies motion. Lines are open and lead the eyes into a photograph or to an interesting point of the photo.

Partial metering covers only the centre 6.2% of the frame in the viewfinder, thus providing precise metering only for the subject. When the background is brighter than the subject due to reasons like back lighting, this metering mode is particularly useful. It is useful for back-lit shots or tiny subjects.

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Bulb Mode is an exposure setting that is used when seeking to use a shutter speed of more than 30 seconds. Generally, this would be used in extremely low light situations, such as taking photos of the night sky.

Highlights are the lightest elements in an image, whereas shadows are the darkest areas. Dynamic range is the ratio between those vivid highlights and dark shadows, from bright white to pure black. That range is key to an image's depth and drama. If a photo has poor dynamic range, the image can appear flat or gray.

Exposure is how much light reaches your sensor and how bright or dark your photo ends up being, whereas white balance has to do with colors and how warm, cool, or natural your image looks. You might have a perfectly exposed photo that is also poorly white balanced.

A workspace is a preset layout for the various elements that make up Photoshop's interface. Workspaces determine which of Photoshop's panels are displayed on your screen and how those panels are arranged. A workspace can also change which tools are available in the Toolbar and how the Toolbar is organized.

The Picture toolbar contains a collection of icon buttons to allow the user to insert and manage pictures and clip art in the document.

The word Crop can be defined as “to trim” or “cut back”. The Crop tool in most image processing programs is used to trim off the outside edges of a digital image. Cropping can be used to make an image smaller (in pixels) and/or to change the aspect ration (length to width) of the image.

Aspect ratio in photography and video is the relationship between the width and height of the image or video being displayed. Aspect ratios are most commonly shown as units of width and height separated by a colon. However, they can also be displayed as a single number that equates to the width divided by the height.

So, what exactly is the blue hour? It is that moment just before sunrise or after sunset when the sun dips below the horizon. This whimsical window of time is when a soft blue light fills the sky; creating a cool, pea

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Post-processing is the use of any technique or technology to enhance the original image captured by the photographer. An old post-processing technique was airbrushing, which was done to remove or soften something in the original image.

A scrim is a material placed between your light source and your subject that either reduces light or diffuses (and reduces) light.