Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or accurately reproducing the colors of the subject.
- adjective Sensitive to all colors except red.
from The Century Dictionary.
- In photography, correct in the relations or in the rendering of colors — that is, free from the usual photographic fault of exaggerating the deepness of greens, yellows, and reds and the brightness of blues and violets.
- Staining in the exact shade of color of the dye used.
- noun An orthochromatic plate; a photographic plate the sensitiveness of which is so distributed throughout the spectrum as to give in the image a normal gradation of light and shade.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Being
uniformly sensitive across theentire visible range , and thus reproducingcolours faithfully - adjective photography Sensitive to all colours except
red
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
Help support Wordnik (and make this page ad-free) by adopting the word orthochromatic.
Examples
-
Upon plates rendered "orthochromatic" by staining with alizarine, or other dye-stuffs, the whole visible spectrum can now be photographed; but those with their maximum of sensitiveness near G are found preferable, except where the results of light-analysis are sought to be completely recorded.
A Popular History of Astronomy During the Nineteenth Century Fourth Edition 1874
-
Her retinas expanded and her eyes looked normal to the orthochromatic film.
Empire of Dreams Scott Eyman 2010
-
Even on orthochromatic stock, the warmth of it survived in black and white, though the film was never released, of course.
Gravity's Rainbow Pynchon, Thomas 1978
-
The exposure through the yellow screen with an erythrosine plate is about the same as if you had no orthochromatic plate -- a plain plate instead -- provided you are not using too dark a yellow on your screen.
Scientific American Supplement, No. 711, August 17, 1889 Various
-
One of the best orthochromatic effects made through this tank is with
Scientific American Supplement, No. 711, August 17, 1889 Various
-
There was no retouching of any kind, and I think the print shows the value of using a color filter with an orthochromatic plate where colors are contrasted in the subject.
Pictorial Photography in America 1921 Pictorial Photographers of America
-
Experiments will also be tried with orthochromatic plates and the use of
Scientific American Supplement, No. 601, July 9, 1887 Various
-
I will give to a common plate about four seconds, an orthochromatic plate under the same conditions five seconds.
Scientific American Supplement, No. 711, August 17, 1889 Various
-
But in portraiture, as well as in landscape photography, recourse must also be had to orthochromatic plates to obtain effective pictures, particularly as plates can now be produced in which the relative sensitiveness closely resembles that of the ordinary emulsion plate.
Scientific American Supplement, No. 530, February 27, 1886 Various
-
There are many ways of producing an orthochromatic effect; one is the use of a glass tank placed behind or in front of the lens, in which a coloring matter from either a vegetable or mineral product is placed; this tank or cell is, however, only for use in the studio, as for outdoor photography we have a colored glass screen, so as not to be bothered with carrying colored solution.
Scientific American Supplement, No. 711, August 17, 1889 Various
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.