Aperture

the size of the opening in your camera's lens, determines how much light enters the camera and hits the image sensor.

Depth of Field

How much of your image is in focus.

Level Horizon

Align the horizon with one of the horizontal lines in the grid.

Negative Space

The empty space around and between the subject of an image.

F-Stop

The aperture measurements of your camera (focal length). How much light you allow to hit the image sensor via the aperture opening.

Focus

The process of making adjustments to the lens to find the maximum resolution sharpness and contrast for your chosen subject.

Rule of Thirds

A composition guideline that places your subject in the left or right third of an image, leaving the other two thirds more open.

DSLR

Digital single-lens reflex camera.

Candid

A photograph captured without creating a posed appearance.

Exposure

The overall brightness or darkness of a photograph.

Composition

How the elements of a photo are arranged.

Subject

The object that is shown in the image, the focal point.