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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
Zoom Lens
Model No.
Commercial Use
ET-ELW22C
Page 3).
TQZJ642-1
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Summary of Contents for Panasonic ET-ELW22C
- Page 1 Commercial Use ET-ELW22C Model No. 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!” ( Page 3).
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Page 2: Table Of Contents
█ Contents Read this first! ..................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 ................ -
Page 3: Read This First
Read this first! Always follow these precautions WARNING: Do not allow children to reach the spacer. z The spacers can cause personal injury if swallowed. z If 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. -
Page 4: Before Use
Before Use ■ Supported projectors PT-SLZ77C, PT-SLW83C, PT-SLX80C, PT-SLX75C, PT-SLZ69C, PT-SLW75C, PT-SLX72C, PT-SLW65C, PT-SLX62C Note z This 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) (The product is delivered with a lens... -
Page 5: Attaching The Lens
Attaching the Lens / Detaching the Lens (continued) Attaching the Lens Attention z Before attaching the lens, be sure to remove the two lens caps attached to the lens. 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. -
Page 6: Making Adjustments
Making Adjustments 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. ■... - Page 7 Making Adjustments (continued) ■ Procedure for correcting the focus Attention z Turn off the projector before removing the projection lens. Note z Focus correction requires some technical skill. Be sure to have a person with knowledge of projectors or a service technician to perform adjustments. Screws ネジ...
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Page 8: Projection Relationships
Projection relationships The dimensional relationship between the screen and the projector is shown below. ■ Dimensional relationship diagram Projected image L1: 0.095 m (3-3/4") L (LW/LT) Screen L1: 0.095 m (3-3/4") L (LW/LT) Note z This diagram assumes that the size and position of the projected image will be adjusted so that the image fills the entire screen. - Page 9 Projection relationships (continued) ■ Dimensional relationship For details on the projection distance (L), refer to “Projected image size and Projection distance” and “Projection distance formulas” in the Appendix. z Projected image size and Projection distance Note z For details on “Projected image size and Projection distance” for projector models other than PT-SLZ77C / PT-SLW83C / PT-SLX80C / PT-SLX75C / PT-SLZ69C / PT-SLW75C / PT-SLX72C / PT-SLW65C / PT-SLX62C, refer to “Setting up”...
- Page 10 Projection relationships (continued) z PT‑SLX80C / PT‑SLX75C / PT‑SLX72C / PT‑SLX62C (Unit : m) When the screen aspect ratio is 4:3 1.52 (60") 0.914 1.219 0.97 1.21 0.14 - 0.78 1.78 (70") 1.067 1.422 1.13 1.42 0.16 - 0.91 2.03 (80") 1.219 1.626 1.30...
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Page 11: Adjustment Range By The Lens Position Shift (Optical Shift)
Projection relationships (continued) z PT‑SLX80C / PT‑SLX75C / PT‑SLX72C / PT‑SLX62C (Unit : m) Aspect ratio =0.6656×SD -0.0489 =0.8250×SD -0.0458 16:9 =0.7252×SD -0.0489 =0.8989×SD -0.0458 Adjustment range by the lens position shift (optical shift) Perform the lens position shift within the adjustment range. The focus may change when the lens position is shifted out of the adjustment range. -
Page 12: Specifications
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