At a glance
- Lens Specifications Overview
- Z-ELW20 Model Compatibility List (23 models total, with lumens/resolution/zoom ratio)
- What Zorsika Lenses Can Offer You
- FAQ
- Q: Why choose Zorsika over OEM?
- Q: Can the lens replace the OEM one?
- Q: My projector is not in the 23-model list above. Can I still use Z-ELW20?
- Q: Is there an installation guide for Z-ELW20?
- Q: What is the warranty period for the lens?
- Lens Routine Maintenance Tips
- Related Query Links
- Procurement Consultation
Zorsika Z-ELW20 projector lens matches original optical specs, compatible with PT-SMZ66C PT-SMZ67C PT-SMZ77C PT-SMZ57C etc. 23 Panasonic projectors.


Lens Specifications Overview
| Lens Model | Z-ELW20 |
| Compatible Brand | Panasonic |
| Compatible Projector Brightness | 5500–8700 lumens |
| Compatible Projector Resolution | WUXGA 1920×1200 |
| Zoom Ratio | 1.65X、ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| Throw Ratio | 1.25-2.0:1 |
| Number of Compatible Projector Models | 23 models |
The above parameters are from the Zorsika product database. For the complete technical specifications, please contact your sales representative.
Z-ELW20 Model Compatibility List (23 models total, with lumens/resolution/zoom ratio)
Below are the verified compatible projector models for Z-ELW20 (Panasonic projectors), with lumens, resolution, and zoom ratio for each:
| Projector Model | Lumens | Resolution | Zoom Ratio |
|---|---|---|---|
| PT-SMZ66C | 6000 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ67C | 6500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ77C | 8000 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ57C | 5500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-MZ770 | 7500 lumens | WUXGA 1920×1200 | — |
| PT-MZ670 | 6500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-MZ570 | 5500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ56CL | 5500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ58CL | 5800 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ75CL | 7500 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ78CL | 7800 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ88CL | 8000 lumens | WUXGA 1920×1200 | 1.65X |
| PT-SMZ89 | 8700 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-SMZ79 | 7800 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-SMZ68 | 6800 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-SMZ60 | 6000 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-SMZ85 | 8000 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ680 | 6500 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ780 | 7500 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ880 | 8000 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ682 | 6500 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ782 | 7500 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
| PT-MZ882 | 8200 lumens | WUXGA 1920×1200 | ET-ELW21(0.764) ET-ELU20(0.330–0.353) ET-ELW22(0.786–0.983) ET-ELW20(1.21–1.66) ET-ELS201(1.61–2.76) ET-ELT22(2.72–4.48) ET-ELT23(4.44–7.12) |
Note: Lumens, resolution, and zoom ratio are sourced from the Zorsika product database (values on the unit nameplate/datasheet take precedence); lens compatibility is determined by chassis interface and optical structure. For models not listed, please contact Zorsika technical support for confirmation.
What Zorsika Lenses Can Offer You
For engineering lenses like the Z-ELW20, Zorsika aligns each item according to the original factory optical parameters (focal length, throw ratio, lens assembly), with consistent lens coating craftsmanship, delivering sharp imaging without edge blur, and ready for installation.
Zorsika's equivalent replacement models are compatible with 23 projector models including Panasonic PT-SMZ66C, PT-SMZ67C, PT-SMZ77C, PT-SMZ57C, PT-MZ770; enter Z-ELW20 in the query system on Zorsika's official website to find the complete model compatibility list.
- Optical Alignment: Focal length, throw ratio, and lens assembly matched to original factory parameters
- Resolution Testing: Each unit tested before shipment, MTF data available for review
- Coating Process: Lens coating same grade as original, minimizing light loss
- Stable Supply: Supports bulk procurement and project-based orders
In short: the lens is the optical core—don't gamble with image quality over price differences. Zorsika projector lenses are manufactured according to original factory drawings, offering overall better value.
Note: Actual imaging performance varies depending on unit condition and installation environment; for bulk orders, it is recommended to request 1 unit for testing first.
FAQ
Q: Why choose Zorsika over OEM?
A: Zorsika lenses are manufactured according to original factory optical blueprints, with lens assembly, coating, and throw ratio matched item by item, and resolution testing performed on each unit before shipment. Compared to OEM, the delivery is faster with overall better value; compared to other replacement lenses, the optical quality is backed by measurable data.
Q: Can the lens replace the OEM one?
A: The lens is the core of the projector's optical path, directly determining clarity and color accuracy. Zorsika lenses (models listed in the specification table above) align with original factory optical parameters (focal length, throw ratio, lens assembly) item by item, with consistent lens coating craftsmanship, delivering sharp imaging without edge blur; ordinary replacement lenses often use regular glass lenses with insufficient coating layers, resulting in visible brightness loss and color shift. For engineering and exhibition applications, Zorsika is recommended.
Q: My projector is not in the 23-model list above. Can I still use Z-ELW20?
A: The list represents verified models, not the complete range. Engineering projectors from the same brand and generation often share common lens interfaces. Sending photos of the unit nameplate and original lens to Zorsika technical support for confirmation is more reliable.
Q: Is there an installation guide for Z-ELW20?
A: Yes. Lens removal and installation steps are basically consistent for Panasonic and similar models. Contact Zorsika sales to obtain the illustrated or video guide for your specific model.
Q: What is the warranty period for the lens?
A: All Zorsika projector lenses come with a 12-month warranty; normal use and non-human damage (such as impacts, water damage, unauthorized disassembly) can be handled directly through after-sales service. The warranty period is based on the shipping invoice date.
Lens Routine Maintenance Tips
- Power off before lens replacement: Be sure to shut down and wait for the cooling fan to stop before removing or installing the lens. Avoid live operation to prevent interface damage.
- Do not touch the lens: Fingerprints and oil stains directly affect image quality. Hold the lens barrel without touching the glass; use an air blower to gently remove dust, never wipe with cloth.
- Lock after focusing: After ensuring proper installation, test focus first, then tighten the mounting screws. This prevents image drift caused by loosening during prolonged use.
- Keep interfaces clean: Dust accumulation on bayonets and contacts can cause poor connection. Clean them during lens replacement for better reliability.
Related Query Links
- Zorsika Technical Support Center
- Projector Brand & Compatible Model Query
- Projector Lamp / Lens / Air Filter Product Library
Procurement Consultation
For Zorsika Z-ELW20 solution consultation, project proposals, or the complete model compatibility list, contact us via:
- Website: www.zorsika.com
- Phone: 0086-20-38551187
- Email: sales@zorsika.com
- Business Hours: Monday to Friday, 9:00-18:00
Lens models and compatible projector data in this article are sourced from the Zorsika product database. Data is continuously updated; please confirm with actual inquiry.