Ultrafine Projection Print Calculator Scale

The Ultrafine Projection Print Calculator Scale allows you to calculate the dark room exposure. It features eight pie calibrated wedges of graduated density. The pie wedge helps in estimating the exposure time by calculating it in seconds.

This darkroom printing exposure meter requires only one exposure to test and estimate.

You can use it easily and also save on time, paper, and chemistry. Dimensions of this sheet are 4 x 5".