Title

A Comparative Study of Kodak Ektaflex PCT and AGFA-GEVAERT AGFACHROME Speed Color Transparency Printmaking Systems

Date of Award

5-1-1986

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Technology

Abstract

The concerns of this study were: (1) to investigate and compare two one-solution processes to produce color prints directly from a test transparency; (2) to evaluate and compare print quality on the basis of color hue and reflection density.

This study was conducted to: (a) compare the print quality of the two selected one solution color transparency to color print systems on the basis of data collected from the X-Rite Reflection Densitometer and the McBeth Series 1500 Spectrophotomer; (b) to compare the two systems on the basis of equipment requirements and simplicity of processing; (c) to evaluate and compare the two systems for the purpose of recommending the most adaptable system in a situation where limited resources exist; and (d) to determine the effect of temperature variation on print quality.

Methods An experimental research method was used in conducting this study. Using two one-solution color transparency to color print chemistries, test prints were produced. These prints were measured with the reflection densitometer and the spectrophotometer, and all data was recorded. The MacBeth Color Rendition chart served as the standard and all prints were compared to it.

Conclusions The following conclusions were obtained from this study: (a) both systems produced very acceptable reproductions of the standard. The chromaticity data revealed that both systems exhibited a yellow deviation. The most significant distinction between the two systems was that Kodak demonstrated a red bias and Agfa-Gevaert, a green bias; (b) on the basis of simplicity of processing, Agfachrome Speed was decidedly easier to operate, primarily due to its single sheet design and tray processing method; (c) in a situation where limited resources exist, the Agfachrome Speed system would be the most appropriate process to implement, as it does not require additional equipment purchases; and (d) temperature had a definite effect on print quality for both systems. The chromaticity data revealed that the greatest color deviation occurred for both systems at the minimum processing temperatures .

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