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ET-ELW21
ET-ELT22
Read before use
This document is intended for the various projection lenses that can be attached to
and used in conjunction with Panasonic projectors.
For Model No. and model names, refer to the product list (
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 first!" (
■ Please save this manual for future use.
Operating Instructions
Projection Lens
ET-ELW20
ET-ELT23
Commercial Use
ET-ELW21
Model No.
ET-ELW20
ET-ELT22
ET-ELT23
Page 4).
ENGLISH
FRANÇAIS
日本語
Page 3).
TQZJ444-4
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Table of Contents
Related Manuals for Panasonic ET-ELW21
Summary of Contents for Panasonic ET-ELW21
- Page 1 ET-ELT23 Read before use This document is intended for the various projection lenses that can be attached to and used in conjunction with Panasonic projectors. For Model No. and model names, refer to the product list ( Page 4). ...
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Page 2: Table Of Contents
█ Contents Read this first! ..................3 Before Use.....................4 Attaching / removing the projection lens ...........4 Before replacing the projection lens ............4 Attaching the Lens / Detaching the Lens..........5 Making Adjustments ................5 Correcting the Focus ................5 Projection relationships...............7 Lens shift ranges ..................8 Specifications ..................10 Dimensions ..................10... -
Page 3: Read This First
Read this first! Always follow these precautions WARNING: Do not look at or place your skin into the light emitted from the lens while the projector is being used. Doing so can cause burns or loss of sight. z Strong light is emitted from the projector’s lens. Do not look at or place your hands directly into this light. -
Page 4: Before Use
The product names and model numbers of the projection lenses covered by this manual are as follows. Product name Model number Fixed focus lens ET-ELW21 Zoom lens ET-ELW20 / ET-ELT22 / ET-ELT23 ■ Supported projectors PT-MZ770 / PT-MW730 / PT-MZ670 / PT-MW630 / PT-MZ570 / PT-MW530 / PT-EZ770 /... -
Page 5: Attaching The Lens / Detaching The Lens
Attaching / removing the projection lens (continued) z Do not touch the surface of the lens with bare hands. Finger prints and dirt on the surface of the lens will be magnified by the lens and lower the quality of the projected image. Place the supplied lens cover on the zoom lens when the projector is not in use. - Page 6 Making Adjustments (continued) Screws ネジ Projection lens 投写レンズ スペーサー Spacers レンズマウンター Lens mounter Fig. 2 Fig. 1 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.
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Page 7: Projection Relationships
Distance from the lens center to the lower edge of the projected image Image width Projected image size z L1 dimensions (approximate values) (Unit: m) Projector model ET-ELW21 ET-ELW20 ET-ELT22 ET-ELT23 PT-MZ770 / PT-MW730 / PT-MZ670 / 0.005 0.035 0.036 0.032... -
Page 8: Lens Shift Ranges
Projection relationships (continued) Attention z To 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. z Avoid setting up in places which are subject to sudden temperature changes, such as near an air conditioner or lighting equipment (studio lamps, etc.). - Page 9 0.1 H Image width H Note z Lens shifting cannot be performed when a fixed-focus lens (model no.: ET-ELW21) is attached. z The home position of the projector a point of origin position for the lens shift (i.e., vertical and horizontal positions of the lens) based on the results of lens calibration. It is not the optical center position of the screen.
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Page 10: Specifications
Specifications Check the specifications of each projection lens, and use the appropriate lens for your intended use. Model No. ET-ELW21 ET-ELW20 ET-ELT22 ET-ELT23 Ultra long Lens Type Short fixed lens Short zoom lens Long zoom lens zoom lens F value 1.8 to 2.3... - Page 11 Dimensions (continued) Model number Dimensions ET-ELW20 196 (7-23/32"; fully extended) ET-ELT22 197 (7-24/32"; fully extended) ET-ELT23 196 (7-23/32"; fully extended) ENGLISH-11...
- Page 12 Atıkların atılmasıyla ilgili yanlış uygulamalar yasayla belirlenmiş olan cezalara sebebiyet verebilir. Panasonic Corporation Web Site : https://panasonic.net/cns/projector/ © Panasonic Corporation 2018 Panasonic System Solutions Company of North America Two Riverfront Plaza, Newark, NJ 07102 TEL: (877) 803 - 8492 Panasonic Canada Inc. 5770 Ambler Drive, Mississauga, Ontario L4W 2T3...