Home Wikituition Browse all terms Categories
Random term

Browse the dictionary

840 terms · page 33 of 35


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
Exposure & Metering

Third Stop

A one-third-stop increment, the fine adjustment step most digital cameras use for aperture, shutter speed, ISO and exposure compensation.

⅓ stop = ×2^(1/3) ≈ ×1.26 stops (EV)
Lighting & Flash

Three-point Lighting

The standard setup of key, fill and rim lights that models a subject and separates it from the background.

Files, Metadata & Workflow

TIFF

A flexible, usually lossless raster format widely used for master files, scanning and print submission.

MB
Optics, Lenses & Filters

Tilt-shift Lens

A lens that can be tilted or shifted relative to the sensor, controlling the plane of focus and correcting converging verticals.

Scheimpflug: subject, lens and film planes meet on a line degrees, mm
Motion, Video & Creative Techniques

Tilt-shift Miniature Effect

An extreme selective focus that makes a full-size scene appear to be a scale model.

Exposure & Metering

Time Mode

A shutter setting, marked T, that opens the shutter on one press of the release and closes it on a second.

seconds
Motion, Video & Creative Techniques

Time-lapse

A sequence of frames captured at long intervals and played at normal speed, compressing hours into seconds.

Clip length = frames / playback fps seconds interval
Motion, Video & Creative Techniques

Timecode

A frame-accurate time reference recorded with footage, used to synchronise multiple cameras and audio recorders.

HH:MM:SS:FF hh:mm:ss:ff
Colour & Colour Management

Tint

The white balance axis running from green to magenta, correcting casts that colour temperature alone cannot address.

tint units
Film, Darkroom & Historic Processes

Tintype

A wet collodion positive made on a thin sheet of blackened iron, producing a cheap, durable, unique image.

Colour & Colour Management

TLCI

The Television Lighting Consistency Index, a scoring system that evaluates a light source using a model of a camera's response rather than…

Qa score
Composition & Visual Design

Tonal Contrast

The difference in brightness between adjacent areas of an image, which controls separation and visual impact.

stops
Post-Processing & Retouching

Tone Mapping

Compressing a high dynamic range image into the limited range a screen or print can show, while preserving apparent detail.

Focus & Depth of Field

Tracking Sensitivity

A setting that controls how quickly continuous autofocus abandons its current subject when something else enters the frame.

scale (−3 to +3 typically)
Genres, Movements & Theory

Travel Photography

Photography of places, cultures and journeys, combining landscape, documentary and portrait approaches.

Composition & Visual Design

Triangular Composition

An arrangement in which the principal elements form a triangle, producing stability and a clear internal structure.

Cameras, Formats & Systems

Tripod

A three-legged support that holds the camera rigid for long exposures, precise framing or heavy lenses.

kg (load rating)
Lighting & Flash

TTL Flash Metering

Automatic flash exposure in which the camera fires a brief preflash, measures the light returning through the lens, and sets the main burst…

stops (EV)
Cameras, Formats & Systems

Twin-lens Reflex (TLR)

A medium-format camera with two stacked lenses, one for viewing through a waist-level ground glass and one for taking the picture.

Motion, Video & Creative Techniques

Ultraviolet Photography

Photography using ultraviolet light, either reflected from a subject or as induced visible fluorescence.

nm
Lighting & Flash

Umbrella

A collapsible reflective or translucent modifier that spreads light quickly and cheaply over a wide area.

cm
Exposure & Metering

Underexposure

An exposure that records less light than the scene needs, producing dark, noisy shadows and muddy colour.

stops (EV)
Genres, Movements & Theory

Underwater Photography

Photography made beneath the surface of water, using housings and dedicated lighting.

m (depth)
Post-Processing & Retouching

Unsharp Mask

A sharpening method that subtracts a blurred copy of the image from the original to find and enhance edges.

Sharpened = Original + Amount × (Original − Blurred) amount, radius, threshold