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Results for “Aperture”

5 terms

A–Z
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9
Filtering by: Aperture Starts with F Clear all
Exposure & Metering

F-number

The ratio of a lens's focal length to the diameter of its entrance pupil, written f/2.8, f/8 and so on, and the standard way of stating…

N = f / D Dimensionless ratio Sensors & Digital Capture

Flat Field Correction

Dividing an image by a frame of evenly illuminated field to remove vignetting, dust shadows and photosite sensitivity variation.

Corrected = (light − dark) / (flat − bias) Focus & Depth of Field

Focus Confirmation

An indicator, usually a dot or the illumination of an AF point, showing that the camera considers focus achieved.

 Focus & Depth of Field

Focus Peaking

A display aid that outlines the highest-contrast edges in the live image, marking what is currently in focus.

 Motion, Video & Creative Techniques

Freelensing

Detaching a lens from the camera and holding it in front of the mount, tilting it to create selective focus and light leaks.