$10.99
At Calumet Photographic Equipment & Supplies on 11-30-2008.
Our accurate calculator provides precise readings to within 1/3 f/stop in one step! Simply place the square chip onto the set you are photographing, compose and focus the camera, then use the exposure scale strip to measure the chip from the ground glass. This will determine the compensation required for proper exposure. Direct readings and reproduction proportions for copy and stat work are provided instantly.
