Half-tone
A printed image made up of dots of varying size that give the appearance of continuous tone image when viewed from an acceptable distance.
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More Photographic Terms ...
Half-tone
Techniques Glossary Half-tone
A printed image made up of dots of varying size that give the appearance of a continuous tone image when viewed from an acceptable distance.
The removal of half-tone lines or patterns during scanning
Desaturate ...
Describes a printing method for half-tone images or pictures. This process uses heat to transfer colour from a printer ribbon into paper. The picture quality is exceptional.
-Contact screen - type of half-tone screen in which the dots consist of slightly unsharp halos. Used to make half-tone images.
-Contamination - traces of chemicals that are present where they don't belong.
This is a pattern of colors that appear to be a checkerboard or rainbow. It's caused when one or more half-tone screens are not correctly aligned in a color photo.
Personal Computer Memory Card International Association (PCMCIA) ...
A measurement unit of print resolution that relates to the frequency of the half-tone screening. Common LPI numbers are 85 for newsprint, 133 for magazines, and 150, 175, or 200 for high quality reproduction.
Dots, halftone
Minute, symmetrical individual subdivisions of the printing surface formed by a half-tone screen.
This can happen, for example, when you are scanning an image with a periodic structure (such as a checkered shirt or a half-toned image), scanning a digital image, taking a digital photograph of a periodic pattern, or even when silkscreening.
One of the best systems for archiving data series is as computer-generated machine-readable ultrafiche, usually in typefonts such as OCR-B, or as digitized half-tone images.
It does not matter since the print will be reproduced as a half-tone image. When possible, a photographic print that will be reproduced in a newspaper or magazine should be printed on what paper surface? 1. Glossy 2. Matte 3. Luster 4. Pearl l-11.
First half-tone photograph appears in a daily newspaper, the New York Graphic.
1888: First Kodak camera, containing a 20-foot roll of paper, enough for 100 2.5-inch diameter circular pictures.
 See also: Image, Tone, Camera, Space, Format
  
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