Photographic Scales

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The Stouffer Tradition

Transmission Step Wedge

Reflection Step Tablet

Photographic Scales

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DBA Stouffer Graphic Arts


The Stouffer TX Exposure Guide is used to pinpoint the proper exposure for B/W and color prints. From one test exposure, the user can select the best of the nine exposure patches that cover a range of 1 1/2 to 3 F-stops in 1/6 and 1/3 F-stop increments. A conversion chart indicates the proper exposure in seconds.


  Precision Accuracy...

                 A benchmark for

                               Stouffer Craftsmanship



Transmission Projection (TP) Step Wedges are most commonly used in the enlarger to establish exposure and processing adjustments and to determine the speed and contrast of photographic papers. 

Stouffer Picture

Visualization is a creative and subjective concept used when approaching the art of photography. Visualization works by projecting the final photographic image in the mind.

To help the photographer use this creative concept, Stouffer has designed the RZ9 Zone System Chart. The RZ9 displays the useable Zones of I to IX for comparison of the actual tonal values of photographic papers and images to be photographed.

Transmission Projection Step Wedges available:
Part Number Steps Density Increment F-Stop Equiv. Dmax Size
TP35-21 21 .15 1/2 3.05 35mm
TP120-21 21 .15 1/2 3.05 2 1/4" x 2 1/4"
TP4x5-21 21 .15 1/2 3.05 4" x 5"
TP120-31 31 .10 1/3 3.05 2 1/4" x 2 1/4"
TP4x5-31 31 .10 1/3 3.05 4" x 5"

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