Panasonic ET-ELW22 Manuale utente
Commercial Use
Model No. ET-ELW22
TQZJ641-1
Zoom Lens
Operating Instructions
Thank you for purchasing this Panasonic product.
■To ensure correct use of this lens, please read the operating instructions supplied
with the lens and the projector carefully.
■Before using this product, be sure to read “Read this rst!” (Page 3).
■Please save this manual for future use.
Product information (for Turkey only)
EEEYönetmeliğineUygundur.
EEE Complies with Directive of Turkey.
2-ENGLISH
Read this rst! ......................................................................................3
Before Use.............................................................................................4
Attaching the Lens / Detaching the Lens...........................................4
Before replacing the projection lens........................................................ 4
Attaching the Lens................................................................................... 5
Detaching the Lens ................................................................................. 5
Making Adjustments ............................................................................6
Adjusting the Focal Balance ................................................................... 6
Correcting the Focus............................................................................... 6
Projection relationships.......................................................................8
Adjustment range by the lens position shift (optical shift)..............9
Specications .....................................................................................10
Dimensions .........................................................................................10
Dimensional relationship...................................................... Appendix
█ Contents
ENGLISH-3
Read this rst! Always follow these precautions
WARNING:
Do not allow children to reach the spacer.
zThe spacers can cause personal injury if swallowed.
zIf the spacers are swallowed, seek medical advice immediately.
CAUTION:
When moving or holding up the projector, be careful not to hold the projection
lens or the openings beside the projection lens.
zDoing so may damage the projector.
Do not touch or remove any parts except for the specied parts in this
Installation Instructions.
zDoing so may result in malfunctions, electrical shock, or accidents.
Supplied accessories and consumables:
Do not open the desiccant bag. Do not eat the contents. (Inadvertently
ingesting desiccant could be harmful.)
zIf the desiccant gets into your eyes or mouth, immediately rinse with plenty of water
and seek medical attention.
zKeep desiccant out of the reach of children.
4-ENGLISH
■Supported projectors
PT-EZ770, PT-EW730, PT-EX800, PT-EZ580, PT-EW640, PT-EX610, PT-EW540,
PT-EX510
Note
zThis manual omits the alphabets at the end of projector model numbers.
■Supplied Accessories
Make sure that the following has been provided.
Part name Appearance (quantity)
Lens cap
1 each
Spacer
(Colors: black, cream, clear) 4 each
Before replacing the projection lens
Return the projection lens to the home position before replacing or removing it.
For details on how to return the lens to the home position, refer to the operating
instructions of the projector.
Attention
zMake sure that the projector power supply is switched off before attaching or detaching the
projection lens.
zAfter removing the projection lens, store it safely away from vibration or impacts.
zDonottouchtheelectriccontactpointsoftheprojectionlenswithyourngers.Dustand
dirt on the contacts may cause contact malfunctions.
zDo not touch the surface of the lens with bare hands. Finger prints and dirt on the surface
ofthelenswillbemagniedbythelensandlowerthequalityoftheprojectedimage.Place
the supplied lens cap on the zoom lens when the projector is not in use.
zThe lens is made of glass. The lens could be damaged if brought into contact with or
rubbed against hard objects. Handle the lens carefully.
zUseaclean,softanddryclothtowipeawaydustanddirtfromthelens.
Donotuseuffyclothscontainingoil,waterordustforcleaning.Thematerialinthelensis
easily damaged, so do not apply excessive pressure when wiping it.
Attaching the Lens / Detaching the Lens
Before Use
(The product is
delivered with a lens
cap attached.)
ENGLISH-5
1) Remove the lens hole cover.
2) Align the red mark on the
projection lens with the red mark
on the projector, and insert the
projection lens as far as possible.
3) Slowly turn the lens clockwise
until it clicks into place.
Attention
zGently turn the projection lens
counterclockwise, and check that it does
not detach.
Turn the projection lens completely in
the counterclockwise direction while
pressing the lens release button to
detach the lens.
Attention
zAttach the supplied lens cap before
storing the lens.
Detaching the Lens
Attaching the Lens
Attention
zBefore attaching the lens, be sure to remove the two lens caps attached to the lens.
Attaching the Lens / Detaching the Lens (continued)
(i)
(iii)
(ii)
Lens release button
Zoom lens
6-ENGLISH
Adjusting the Focal Balance
The focal balance between the center and periphery of the projected image changes
depending on the size of the projected image.
The lens is equipped with a focus balance adjustment function for the screen periphery.
■Procedure for adjusting the focal balance
1) Focus the center of the screen by
operating the projector unit.
2) Turn the periphery focus ring by
hand as shown in the gure to
adjust the focus in the periphery
of the screen.
Note
zThe projected image sizes and scale shown on the periphery focus adjustment ring are an
approximate guide.
Making Adjustments
Periphery focus adjustment ring
Correcting the Focus
When the projection lens is attached to the projector and images are being projected
onto the screen, the peripheral focus may be out of focus in some localized areas.
In such cases, use the supplied spacers to correct the focus of these areas, and perform
adjustments so that the entire image is even.
■Relationship between lens orientation and screen focus
If the projection lens is tilted with respect to the plane of the screen, uneven focus will
result. For example, when the front side of the lens (screen side) is tilted downward as
showninthegurebelow(directionofthedottedarrow),theupperpartofthescreen
will be tilted backward and the lower part of the screen will be tilted forward.
Projection lens
Image formation surface
Screen surface versus focal point
ENGLISH-7
Making Adjustments (continued)
■Procedure for correcting the focus
Attention
zTurn off the projector before removing the projection lens.
Note
zFocus correction requires some technical skill. Be sure to have a person with knowledge of
projectors or a service technician to perform adjustments.
D
C
A
B
Fig. 1
AA
D
D
C
C
B
B
投写レンズ
ネジ
スペーサー
レンズマウンター
Fig. 2
Screws
Projection lens
Lens mounter
Spacers
Spacer Color Thickness Correction distance
during projected image size SD (m)
Clear 0.1 mm SD × SD × 51.5
Black
0.2 mm SD × SD × 103
Cream
0.3 mm SD × SD × 154.5
Correction distance guide: When the projected image size is 1.52 m (60 in.), the corrected
distance when one 0.1 mm thick spacer is inserted is 120 mm.
Attention
zInstalling the lens mounter, be careful not to put wiring between the lens mounter and
the projector unit.
1) Install the projector in the installation location, and turn it on to project an image.
2) Move the lens to its home position.
3) Operate the projector to shift the focus of the entire projected image toward
the front of the screen.
4) Operate the projector to shift the focus toward the screen a little bit at a time until
one of the areas A to D in Fig. 1 just comes into focus on the screen, and then stop.
zIn this state, the “just focus points” of the unfocused areas are positioned just in front of
the screen. The distance between this position and the screen is the correction distance.
5) Insert the spacers between the body of the projector and the lens mounter, as
shown in Fig. 2.
zRemove the lens mounter from the projector, and insert the spacers in the positions
that correspond to the unfocused areas.
zThe “just focus points” of the areas for which you inserted spacers will be corrected
toward the rear of the screen.
zMake sure the adhesive surfaces of the spacers face the lens mounter when inserting them.
zThe correction distance is determined by the thickness and quantity of spacers
inserted. Insert spacers according to the correction distance.
(The unit for correction distances derived from the formulas in the following table is millimeters.)
8-ENGLISH
Projection relationships
The dimensional relationship between the screen and the projector is shown below.
■Dimensional relationship diagram
L (LW/LT)
L (LW/LT)
SW SH
H
SH
SW
SD
L1: 0.095 m (3-3/4")
L1: 0.095 m (3-3/4")
Screen
Projected image
Note
zThis diagram assumes that the size and position of the projected image will be adjusted so
thattheimagellstheentirescreen.
zThis illustration is not drawn to scale.
L Projection distance
LW Minimum distance
LT Maximum distance
L1 Lens protrusion dimension
SH Image height
H Distance from the lens center to the lower edge of the projected
image
SW Image width
SD Projected image size
Note
zThe illustrations of projectors in this manual are for informational purposes only and do not
representaspecicprojectormodel.Congurationsmayvarywiththemodel.
Attention
zTo prevent blocking of the intake and exhaust vents, maintain clearances from walls and
objects of at least
1 000 mm (3'3") for the exhaust vent and at least 500 mm (1'8") for the intake vent.
zAvoid setting up in places which are subject to sudden temperature changes, such as near
an air conditioner or lighting equipment (studio lamps, etc.).
ENGLISH-9
Projection relationships (continued)
Perform the lens position shift within the adjustment range.
The focus may change when the lens position is shifted out of the adjustment range.
This is because the movement of the lens is restricted to protect the optical parts.
Projection position can be adjusted with the optical axis shift based on the home position
in the respective range.
PT-EZ770 / PT-EW730 / PT-EZ580
/ PT-EW640 / PT-EW540
0.5 V 0.5 V
0.1 H0.1 H
Standard projection position
Image width H
Image height V
PT-EX800 / PT-EX610 / PT-EX510
0.35 V0.35 V
0.1 H0.1 H
Standard projection position
Image width H
Image height V
Adjustment range by the lens position shift (optical shift)
■Dimensional relationship
For details on the projection distance (L), refer to “Projected image size and Projection
distance” and “Projection distance formulas” in the Appendix.
Note
zFor details on “Projected image size and Projection distance” for projector models other
than PT-EZ770 / PT-EW730 / PT-EX800 / PT-EZ580 / PT-EW640 / PT-EX610 / PT-EW540
/ PT-EX510, refer to “Setting up” in the operating instructions of the projector.
10-ENGLISH
Dimensions
Specications
F value 2.0 ～2.4
Focal Length (f) 13.3 mm (17/32") ～16.6 mm (21/32")
Dimensions
Width 133 mm (5-1/4")
Height 133 mm (5-1/4")
Depth 211 mm (8-5/16")
Net Weight Approx.1.2 kg (2.7 lb)
(Unit:mm)
φ
133 (5-1/4")
211 (8-5/16")
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