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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-ELW20
Summarization of Contents
Before Use
Product List
Lists the projection lens models and their corresponding model numbers for this manual.
Supported Projectors
Identifies the Panasonic projector models compatible with these projection lenses.
Supplied Accessories
Details the accessories provided with the projection lenses, such as lens covers and spacers.
Attaching and Removing the Projection Lens
Before Replacing the Projection Lens
Instructions and precautions to take before detaching or replacing a lens.
Attaching the Lens / Detaching the Lens
Specific steps and guidelines for mounting and dismounting the projection lens.
Making Adjustments
Correcting the Focus
Guides on how to adjust lens focus for an even projected image.
Procedure for Correcting the Focus
Step-by-step instructions for focusing adjustments using spacers.
Projection Relationships
Dimensional Relationship Diagram
Visual representation of the dimensional links between the projector and screen.
L1 Dimensions (Approximate Values)
Table providing approximate lens protrusion (L1) measurements for various models.
Dimensional Relationship
Refers to appendix for detailed projection distance information.
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