Gossen lunasix 3 system exposure meter instructions . Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Gossen lunasix 3 system exposure meter instructionsLUNASIX3Pa Basic operating instructions Setting the film speed Reflected/incident measurement Light measurement (basic) Light measurement (specific) Testing the batteries Testing zero position Thinking and measuring Reflected light measurement Measuring area of the LUNASIX 3. “Perfect” exposureThe personal touch Motion and depth of field Technical appendix Reading the scales Exposure modification Reciprocity effect The LUNASIX 3 SYSTEM Expanded capabilities Variable Angle “spot meter" attachment Enlarging attachment Microscope attachment