Shutter:



Shutter: The shutter opens and closes to allow the correct exposure time.

Automatic mode: The camera is pre-programmed, the photographer has no control over photo settings.

Aperture: The size of the opening inside the camera lens that regulates how much light is let in to the image sensor.

Scene modes: Pre-set exposure modes on beginner level digital cameras.

Programmed mode: The camera will choose the shutter speed and aperture automatically based on the external lighting.

Exposure: Allowing the image sensor to be exposed to the image and external light for a certain amount of time.

Overexposure: When the photo was taken, too much light was let in to the image sensor, and the photo is too bright, and washed out.

Underexposure: When the photo was taken, too little light was let in to the image sensor, and the photo is too dark, and details can be lost in shadows.

Shutter-priority mode: The photographer can select the shutter speed, and the camera will calculate the best aperture to use.

Aperture-priority mode: The photographer selects the aperture level, and the camera calculates the best shutter speed to use.

Manual mode: The photographer selects both the shutter speed and aperture level, setting the exposure.

Image sensor: A chip in a camera that records a photo or image.

ISO: A number that shows a digital camera’s light sensitivity.

Depth of Field: The section of a photo taken by a digital camera that is in front and behind of the focus subject.

Sharpness: A picture’s focus and resolution on an object being photographed.

F-stops: Focal-stops, are the numerical measurements of the aperture settings in a digital camera lens.

Lens: The lens that focuses the image being recorded by a camera.

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