And since photographic refractors are corrected for the blue rays, exposures with them of orthochromatic surfaces would be entirely futile.
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.
This chart has been photographed in the orthochromatic and also in the ordinary way.
Some photographers have been led to think that by underexposing they retain the distance, but they sacrifice the foreground; besides, it does not produce an orthochromatic effect.
One of the best orthochromatic effects made through this tank is with a three-grains-to-the-ounce solution of bichromatic of ammonia or bichromate of potassium.
I will give to a common plate about four seconds, an orthochromatic plate under the same conditions five seconds.
Plates are prepared for orthochromatic work as follows: Take any ordinary rapid dry plate, place it in a bath containing Distilled water 200 c.
It has a gallery fitted to produce negatives of all sizes up to 24 x 30, by the bestorthochromatic methods.
Edwards, who had obtained a monopoly of Tailfer and Clayton's patent rights in England, served them with an injunction, or threatened them with legal proceedings, so they discontinued preparing their orthochromatic plates for sale.
English patent rights of Tailfer and Clayton's orthochromaticprocess secured by B.
This prohibition was the more to be regretted because no other commercial isochromatic or orthochromaticplates had or have appeared to possess the same qualities of translation.
Orthochromatic results exhibited by Dixon and Sons at the photographic exhibition in October.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "orthochromatic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
