isochromatic

American  

[ahy-suh-kroh-mat-ik, ahy-soh-kruh-] / ˌaɪ sə kroʊˈmæt ɪk, ˌaɪ soʊ krə- /

adjective

1. Optics. having the same color or tint.

2. Photography. orthochromatic.

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isochromatic British  

/ ˌaɪsəʊkrəʊˈmætɪk /

adjective

1. 1. having the same colour

   2. of uniform colour

2. photog (of an early type of emulsion) sensitive to green light in addition to blue light but not to red light

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Etymology

Origin of isochromatic

First recorded in 1820–30; iso- + chromatic

Example Sentences

Astronomers make use of several different kinds of magnitude for the stars: the apparent magnitude, as the eye sees it, often called the visual magnitude; the photographic magnitude, as the photographic plate records it, and these are now determined with the highest accuracy; the photovisual magnitude, quite the same as the visual, but determined photographically on an isochromatic plate with a yellow screen or filter, so that the intensity is nearly the same as it appears to the eye.

From Project Gutenberg

In 1886 more than usual interest was exhibited by photographers in what was misnamed as the isochromatic, or orthochromatic process, and this interest was probably created by the papers read and discussions that followed at the meetings of the Photographic Society in the previous year.

From Project Gutenberg

This prohibition was the more to be regretted because no other commercial isochromatic or orthochromatic plates had or have appeared to possess the same qualities of translation.

From Project Gutenberg

Plates thus dyed are said to be “isochromatic” or “orthochromatic,” and by their use paintings or other coloured objects can be photographed with much better results than by the use of ordinary plates.

From Project Gutenberg

Rapid transit and isochromatic photography are beginning to enable the student to make of connoisseurship something like an exact science.

From Project Gutenberg