Panasonic WVNP244 - COLOR CCTV CAMERA Panduan Petunjuk Pengoperasian - Halaman 13

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How to use a vari-focal lens

The following are descriptions of how to use a 2x vari-focal lens. Method of adjustment may be

different depending on the lens in use. For further information, refer to the operating instructions

of the lens in use.

q Loosen the zoom lock knob and slide it to the "T" end.

w Rotate the focus ring to one step short of the "F" end.

e Shoot an object which is located 10 m away or more, and

adjust the back focal length of the camera.

Important:

Make sure that it is possible to focus on an object which is located around 1.2 m away by

rotating the focus ring when the zoom lock knob is at the "W" end.

r Slide the zoom lock knob to an appropriate position and tighten

it.

t Rotate the focus ring to bring the camera into focus.

Important:

When changing the angular field of view, adjust focus by changing the zoom lock ring posi-

tion and rotating the focus ring again.

When using a fixed-focal lens featuring the focus adjustment, adjust the back focal length after

setting the lens focus to the FAR end.

When adjusting the back focal length, loosen the focus fixing screw (LOCK) using a screwdriv-

er first. Tighten the focus fixing screw after the adjustment.

Recommended tightening torque: 0.05 N·m {0.5 kgf·cm}

Important:

Do not over tighten the screw. It may strip the thread or cause out-of-focus.

Zoom lock knob

TV LENS

3.8~8mm 1:1.4

Focus ring

TV LENS

3.8~8mm 1:1.4