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ISO 7329:1989Withdrawn

Photography — Slide projectors — Determination of temperature rise in the picture area using a glass sandwich test slide

Photographie — Projecteurs de diapositives — Détermination de l'élévation de température de la diapositive — Méthode utilisant une sonde entre lames de verre du format d'une diapositive

Abstract / scope

Specifies a measuring method for determining the temperature reached in the central part of a glass-mounted test slide used in a slide projector. The method is to provide a practical and repeatable way of comparing the performance of different slide temperatures which are higher or lower than those attained by glass-mounted slides.