Back Focus Adjustment - Samsung SCC-B2305 Manual De Utilización

Setting Switch Control
You should change the position of the lens setting switch on the side of the
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camera according to the lens type. Depending on whether you fixed the DC
control type Auto Iris lens or video control type automatic shutter lens, you
should put the switch in "DC" or "VIDEO" position respectively.

Back Focus Adjustment

The camera back focus is adjusted at the plant before delivery, but some
lenses are out of focus though the number differs in types. If it's the case,
you should make the back focus adjustment as follows. First, this is the
back focus adjustment procedure for fixed focus lenses.
Lenses without zoom function
Image an object with high resolution(letticed) at more than 10m distance
and put the lens focus ring in the infinite( ∞ ) position.
Rotate the BACK FOCUS control bar until the object is seen best.
Tighten the BACK FOCUS control bar fixing screw.
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Lenses with zoom function
Image an object with high resolution(letticed) at a distance of 3 to 5 m
and zoom in the lens as close to TELE as possible. Then adjust the lens
focus bar until the object is seen best.
Zoom in the lens as close to WIDE as possible and adjust the BACK
FOCUS adjustment bar until the object is seen best.
Repeat from to above 2 or 3 times until the focus on the ZOOM
TELE side is in line with that on the ZOOM WIDE side.
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