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840 terms · page 14 of 35
Focal Point
The element in a photograph that the eye is drawn to first and returns to.
Optics, Lenses & FiltersFocal Reducer
An adapter containing glass that compresses a lens's image circle onto a smaller sensor, shortening focal length and gaining light.
Cameras, Formats & SystemsFocal-plane Shutter
A shutter made of two curtains that travel across the sensor just in front of it, exposing the frame as a moving slit at high speeds.
Focus & Depth of FieldFocus
The condition in which light from a point on the subject converges to a point on the sensor, rendering that part of the scene sharp.
Focus & Depth of FieldFocus and Recompose
The technique of focusing with a central point, locking, then shifting the camera to place the subject elsewhere in the frame.
Focus & Depth of FieldFocus Bracketing
An in-camera function that automatically shoots a sequence of frames at incrementally different focus distances.
Focus & Depth of FieldFocus Breathing
A change in a lens's angle of view as it is focused, so the framing appears to zoom slightly during a focus pull.
Focus & Depth of FieldFocus Confirmation
An indicator, usually a dot or the illumination of an AF point, showing that the camera considers focus achieved.
Focus & Depth of FieldFocus Limiter
A switch that restricts a lens's focusing range, so autofocus does not search through distances the subject cannot occupy.
Focus & Depth of FieldFocus Lock
Holding the current focus distance so that further movement of the camera or subject does not trigger refocusing.
Focus & Depth of FieldFocus Magnification
A function that enlarges part of the live image so focus can be judged at a pixel level.
Focus & Depth of FieldFocus Peaking
A display aid that outlines the highest-contrast edges in the live image, marking what is currently in focus.
Focus & Depth of FieldFocus Priority
A setting that prevents the shutter from firing until the camera confirms focus has been achieved.
Focus & Depth of FieldFocus Shift
A movement of the plane of sharpest focus as a lens is stopped down, caused by residual spherical aberration.
Focus & Depth of FieldFocus Stacking
Combining several frames focused at different distances into one image with depth of field no single exposure could achieve.
Focus & Depth of FieldFocus Throw
The angle through which a focus ring must turn to travel from minimum distance to infinity.
Focus & Depth of FieldFocus-by-wire
A manual focus ring that sends an electronic signal to a motor rather than moving the optics mechanically.
Files, Metadata & WorkflowFolder Structure
The hierarchy of directories in which image files are physically stored.
Motion, Video & Creative TechniquesFollow Focus
A geared mechanism that allows focus to be adjusted precisely and repeatably, usually by a second operator.
Genres, Movements & TheoryFood Photography
Photography of prepared food, for menus, packaging, editorial and cookbooks.
Composition & Visual DesignForeground Interest
An element placed close to the camera to anchor the composition and establish depth.
Files, Metadata & WorkflowFormat Migration
Converting archived files to a current format before the original becomes unreadable.
Sensors & Digital CaptureFoveon Sensor
A sensor that records all three colours at every location by stacking three photodiode layers at different depths in the silicon.
Motion, Video & Creative TechniquesFPV Drone
A first-person-view drone flown through a headset showing the pilot's live camera feed, capable of fast, acrobatic movement.