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12
E
Lenses with zoom function
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
(AB68-00511B)SCC-B2391-01Eng 2005.6.17 3:44 PM ˘ `12