A Glossary of Photographic Terms: T

Telephoto Lens
A lens that makes a subject appear larger on film than does a normal lens at the same camera-to-subject distance. A telephoto lens has a longer focal length and narrower field of view than a normal lens.

T-Grain technology
Trademark for patented Kodak film emulsion technology used in all Kodak Advanced Photo System films; uniquely shaped grains that align better than conventional silver crystals, absorbing and transmitting light more effectively to produce sharper images. Kodak Advantix 400 film is the company's first 400-speed film using all T-grain emulsions.
Magnified T-MAX grains Magnified view of Kodak's patented T-grain emulsion

Thin Negative
A negative that is underexposed or underdeveloped (or both). A thin negative appears less dense than a normal negative.

Image of thin negative

Through-The-Lens Focusing
Viewing a scene to be photographed through the same lens that admits light to the film. Through-the-lens viewing, as in a single-lens-reflex (SLR) camera, while focusing and composing a picture, eliminates parallax.

Through-The-Lens Metering
Meter built into the camera determines exposure for the scene by reading light that passes through the lens during picture-taking.

Time Exposure
A comparatively long exposure made in seconds or minutes.
Time exposure of lighting Photographer: Steve Krisel
KINSA/KODAK Photo Contest
Film: KODAK GOLD 100
Film Size: 35 mm

Tint
Shades of white in a finished print, controlled by the color of the paper, varying from white to buff.

Tone
The degree of lightness or darkness in any given area of a print; also referred to as value. Cold tones (bluish) and warm tones (reddish) refer to the color of the image in both black-and-white and color photographs.

Toning
Intensifying or changing the tone of a photographic print after processing. Solutions called toners are used to produce various shades of colors.

Transparency
A positive photographic image on film, viewed or projected by transmitted light (light shining through film).

Transparent magnetic layer
Information storage layer built into Advanced Photo System film that enables enhanced information exchange capabilities, improving print quality by capturing lighting and scene information and other picture-taking data; basis for future information exchange features.

Tripod
A three-legged supporting stand used to hold the camera steady. Especially useful when using slow shutter speeds and/or telephoto lenses.

Tungsten Light
Light from regular room lamps and ceiling fixtures, not fluorescent.

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