Bolex Kern Paillard Depth of Field Tables and Exposure Guide for Extension Tubes

1.     Bolex depth of field tables for use with the following Kern lenses: 16, 20, 25, 35, 50, 75, and 100-mm lenses.

2.     Also, included is an exposure calculator when using Bolex extension tubes (TUBEX). Calculates magnification,j focal length, and exposure when using the extension tubes.

3.     Original print, not copies.

4.     Ask questions early as I may not be able to answer on the last day  of the auction.

5.     Thanks for looking at my stuff.