Illustrated Dictionary of Photography by Lynch-Johnt Barbara A

Author:Lynch-Johnt, Barbara A [Lynch-Johnt, Barbara A.; Perkins, Michelle]
Language: eng
Format: epub
ISBN: 978-1-60895-131-4
Publisher: Amherst Media, Inc.
Published: 2008-09-21T16:00:00+00:00

MATRIX METERING ICON ON MANY CAMERAS.

matt. See mat or matte.

matte. A paper surface with a slightly rough, nonshiny texture. Photos printed on such paper exhibit lower contrast and detail than glossy paper but do not show fingerprints and light glare as readily. Some manufacturers refer to a slightly shinier variation of this type of finish as “pearl.” Contrast with glossy.

matte box. A mask employed to make photographs suitable for wide-screen projection.

matte field. In viewfinder optical systems, a textured surface that displaces light to produce a clear image.

maximum aperture. The largest aperture setting available on a lens. This is often indicated in the ratio printed on the lens. For example, a ratio of 1:1.8 means that the lens’s largest aperture is f/1.8.

MC. A mark used on a lens or filter to show that it has been treated with one or more layers of antireflective coating.

McDonough’s process. Additive color transparency process based on a tri-color screen. Similar to the Joly plate process.

measles. Dark blotches visible through paper, usually due to improper fixing or an overworked fixing bath. The flaw was common in the salted paper and albumen printing processes.

mechanical decay. A breakdown (warping, cracking, distortion, etc.) of the physical structure of an object due to environmental stressors (e.g., heat, humidity force, etc.).

media. Any material to which information is written or stored (e.g., CDs, memory cards, etc.).

media cards. See memory card.

medium format. A camera requiring film that falls in between the 35mm and 4x5-inch formats. This is commonly sold as type 120 or 220 roll film or 70mm film. Depending on the camera, a variety of aspect ratios may be produced. The most common aspect ratios are square (6x6cm), rectangular (6x4.5cm, 6x7cm, 6x9cm), and panoramic (6x17cm). The 6x4.5cm format is often called 645. Image resolution is higher with medium format than 35mm because of the large negative size. These cameras tend to be more expensive, and lenses tend to be large, since medium-format film requires a larger image circle. See also 645 format, 120 film, and 220 film.

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