Feb 11 1996 rough paper zoomed (zoom set at maximum and camera moved 12 inches closer) rough paper at normal zoom was sample 12. Setting aperture the same as sample 12, i.e. 1 tick below 16. for camera calibration changing z to 353 (this isn't centered for position 1 but is better for the other positions) z = 353 p = 16 l = 161 At position 1,2the sample was to high.. changed to z = 347 before position 3 8:22 finished