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Article
October 1950

LARGE SIZE COLOR TRANSPARENCIES OF PATHOLOGIC SLIDES

Author Affiliations

NEW YORK
From the Department of Photography, New York Eye and Ear Infirmary.

AMA Arch Ophthalmol. 1950;44(4):581-583. doi:10.1001/archopht.1950.00910020591010
Abstract

LARGE size color transparencies of pathologic sections are well known to every lecturer and demonstrator. Heretofore the making of such transparencies has been a difficult and costly process. The following method developed at the New York Eye and Ear Infirmary has proved highly successful and can be utilized by the average photographer with little more than standard photographic equipment.

The following equipment has been used successfully to provide accurate color transparencies (3¼ by 4¼ inches [8.3 by 10.8 cm.]) with excellent color rendition:

  1. Camera. A standard 5 by 7 inch (10 by 17.8 cm.) view camera with a reducing back. (Any camera with bellows extension may be used.)

  2. Tripod. A sturdy tripod is an essential factor, as exposures will usually be longer than ½ second.

  3. Film. Ektachrome® daylight film is used and processed according to the manufacturer's recommendation (at 68 F.). However, if richer colors are desired,

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