Panasonic WV-CW504F User Manual (en)

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   To perform fine adjustment of the back focus after the ABF operation indicator 
goes off and automatic back focus is adjusted, use the right or left button. 
Note:
 •  No operation for 10 seconds or more automatically clears the focus position indicator.
 •  To change the angle of view by moving the zoom adjustment ring, also move the focus lock
knob to adjust the focus. 
 •  The originally adjusted focus may be slightly off depending on the iris state resulting from the
focal depth of the lens. In such a case, open the aperture by darkening the subject as much as 
possible in the same way of taking picture, and then adjust the focus. Defocus can be prevent-
ed. 
 •  Use  of  "ABF"  of  "BACK-FOCUS"  in  the  setup  menu  (+  Operating  Instructions  (PDF))  allows 
users to adjust the focus optimally in the range of the capability to automatically follow the vari-
ation in illuminance. 
 •  The out-of-focus level in the near-infrared light region may be higher than that in the visible light
region. 
    Setting "C/L ↔ B/W" of "BACK-FOCUS SETUP" to "AUTO" or "PRESET" in the setup menu 
(+ Operating Instructions (PDF)) allows users to adjust the focus in both the near-infrared light 
and visible light regions (The variation in illuminance is not followed after focus adjustment.).