Samsung SCC-B2091P ユーザーズマニュアル

① 

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.

➁

Zoom in the lens as close to WIDE as possible and adjust the BACK

FOCUS adjustment bar until the object is seen best.

➂

Repeat from 

①

to 

➁

above 2 or 3 times until the focus on the ZOOM

TELE side is in line with that on the ZOOM WIDE side.

BACK FOCUS

CONTROL BAR