20
IMN-511/512(HIGH RESOLUTION IP CAMERA)
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ADJUSTING FLANGE BACK(BACK FOCUS)
Camera’s Flange Back comes out, adjusted from the
factory, however, according to the lens, adjustment required.
If required, please re-adjust like following.
1) In case of fixed focus lens, vari-focal lens.
① Adjust the angle of view to the subject.
② Adjust lens’ focus to the subject seen clearly. By this,
can check if the picture quality is good when the lens
does not have focus adjustment.
③ When not clearly seen, loosen the fixing screw and
make Flange back adjustment ring rotatable.
④ Rotate the Flange back adjustment ring to the turning
direction, and adjust to the subject seen clearly.
⑤ Tighten the Flange back fixing screw to fix the Flange
back adjustment ring, being careful of focus out.
2) In case of zoom lens:
① Photograph an object with high clearness (located at
least 3 meters or more away)
② Set the lens zoom as maximum telephoto direction, and
adjust to the subject seen clearly. When not adjustable,
Flange back adjustment needed.
③ Flange back adjustment is right, if the subject seen
clearly when lens focus is same and zoom is maximum
wide-angle. If not clearly seen, flange back adjustment
needed.
④ To adjust flange back, loosen the flange back fixing
screw and make flange back adjust ring rotatable.
⑤ Set lens zoom as maximum telephoto direction, and
adjust focus to the subject seen clearly.
⑥ Lens focus location is same, and set zoom as maximum
wide-angle.
⑦ Rotate flange back adjust ring and make the subject
seen clearly.
⑧ Adjust more than 2 times repeatedly, between ⑤ and
⑦ to adjust correctly.
⑨ Set the lens zoom as maximum telephoto direction,
being careful not to focus out, holding flange back fixing
screw and fix flange back adjustment ring.