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Adjusting the focus balance
By changing the projected image size, the focus balance in the center and periphery of the image may be lost.
f When the following projection lens is used, the focus balance in the center and periphery of the projected image
can be adjusted on the projection lens side.
g Zoom Lens (Model No.: ET-D3LEW10, ET-D3LEW60, ET-D3LEW200, ET-D75LE6)
g Fixed-focus Lens (Model No.: ET-D3LEW50, ET-D3LEU100, ET-D75LE50, ET-D75LE95)
g Fisheye Lens (Model No.: ET-D3LEF70)
r Zoom Lens (Model No.: ET-D3LEW10, ET-D3LEW60, ET-D75LE6), Fixed-focus Lens (Model No.:
ET-D3LEW50, ET-D75LE50)
f The illustrations in the steps are an example when attaching the Zoom Lens (Model No.: ET-D3LEW10).
1)
Adjust the focus at the center of projected image.
f For the steps to adjust the focus, refer to "Adjusting the focus, zoom, and lens shift" (x page 86).
2)
Loosen the lock screw and turn the periphery focus adjustment ring by hand to adjust the focus in
the periphery of the screen.
Periphery focus adjustment ring
3)
Check the focus at the center of the image again and make fine adjustments.
4)
Tighten the lock screw.
f Periphery focus adjustment ring is fixed.
Note
f When the projector is used for the first time or when the projection lens is replaced, confirm that the setting in the [PROJECTOR SETUP]
menu → [LENS] → [LENS TYPE] is appropriate, and then execute the [PROJECTOR SETUP] menu → [LENS] → [LENS CALIBRATION].
f The projected image size displayed in the periphery focus adjustment ring indicates the adjustment direction. This does not match the
projected image size supported by the projector.
r Zoom Lens (Model No.: ET-D3LEW200), Fixed-focus Lens (Model No.: ET-D3LEU100)
f The illustrations in the steps are an example when attaching the Zoom Lens (Model No.: ET-D3LEU100).
1)
Turn the periphery focus adjustment ring towards the direction of the arrow by hand and align to the
projection distance.
f Align the projection distance displayed on the projection lens to the actual projection distance from the
projection lens surface to the screen.
Chapter 3 Basic Operations — Projecting
Lock screw
Periphery focus adjustment ring
ENGLISH - 87
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