The hole through which light enters the camera.
Aperture
Smallest square unit of information in a digital image.
Pixel
Combined effect of aperture, shutter speed & ISO on light-sensitive material.
Exposure
Compositional rule that divides the frame into thirds.
Rule of Thirds
Number that indicates aperture diameter.
F-Stop
Controls the amount of time light hits the image sensor.
Shutter
The point where pixels become visible to the human eye.
Pixelation
Taking photos midday in the bright sun will often lead to this type of exposure.
Overexposure
This rule of composition creates strong diagonal lines to add strength to your image.
Triangles/Angles
The is the primary camera control over depth of field.
Aperture
Light sensitive chip used in digital cameras to capture photographs.
Image Sensor
This file format is considered a lossy format, in that the image is compressed resulting in some data loss.
JPG
Graph that shows the brightness values in an image and a tool that helps determine proper exposure.
Histogram
This compositional rule places scenic elements in the foreground around two or more edges of the frame.
Framing
When using this camera setting, you select the aperture and the camera will select the appropriate shutter speed.
Aperture Priority
This camera setting adjusts the overall colors in an image for a specific light source.
White Balance
This file format stores data directly from the image sensor without any in camera processing.
RAW
The goal in correct exposure is to hold detail in these two places.
Shadows & Highlights
In this rule of composition, the subject takes up a small portion of the frame.
Negative Space
The part of a scene that is in focus and the parallel to the image sensor.
Plane of Critical Focus
Shooting in manual mode requires that you manipulate these 3 creative controls.
Aperture, Shutter Speed & ISO
Standard resolution required for professional photo printing.
300 ppi
Overriding automatic exposure to make a photo lighter or darker.
Exposure Compensation
This rule adds visual interest through and calls emphasis to a subject through rhythm.
Repetition
The area of an image in front of and behind the plane of critical focus that appears acceptably sharp.
Depth of Field