At a glance
- Compatible projector models: 8 Optoma and Christie projectors (with brightness, resolution, and zoom ratio)
- Specifications
- FAQ
- Q: What if the lens doesn't match the picture size?
- Q: My machine isn't in the list of 8 models above — can I use the WB372?
- Q: Can the lens replace the original one?
- Q: Why choose Zorsika instead of the original manufacturer?
- Q: How long is the lens warranty?
- Same Specifications — Why Choose Zorsika
- What to Watch Out for When Changing a Lens
- Related Query Links
- Procurement Inquiry
Zorsika WB372 projector lens, matched to original optical specs, compatible with ZK750, ZK1050, DWU1800-JS, DWU2400-JS and 8 Optoma and Christie projectors.


Picture too small or installation distance not enough? Changing a lens solves it. The WB372 fits 8 Optoma and Christie models — see the list below.
Zorsika WB372 Projector LensCompatible projector models: 8 Optoma and Christie projectors (with brightness, resolution, and zoom ratio)
The following are verified compatible models for the WB372 (Optoma and Christie projectors), with brightness, resolution, and zoom ratio listed for each:
| Projector Model | Brightness | Resolution | Zoom Ratio |
|---|---|---|---|
| ZK750 | 7500 lumens | 4K (3840×2160) | A25 0.85~1.02, A26 1.20~1.73 , A20 1.70~2.12, A21 2.12~2.83, A22 2.83~5.66, A23 5.66~10.18 |
| ZK1050 | 11000 lumens | 4K (3840×2160) | A25 0.85~1.02, A26 1.20~1.73 , A20 1.70~2.12, A21 2.12~2.83, A22 2.83~5.66, A23 5.66~10.18 |
| DWU1800-JS | 17800 lumens | WUXGA 1920×1200 | 0.78-0.9:1 • 0.9-1.3:1 • 1.3-1.8:1 • 1.44-1.8:1• 1.8-2.4:1 • 2.4-4.8:1 • 4.8-8.64:1 • 8.64-12.96 |
| DWU2400-JS | 23750 lumens | WUXGA 1920×1200 | 0.78-0.9:1 • 0.9-1.3:1 • 1.3-1.8:1 • 1.44-1.8:1• 1.8-2.4:1 • 2.4-4.8:1 • 4.8-8.64:1 • 8.64-12.96 |
| 4K1600-JS | — | — | — |
| 4K2100-JS | 21350 lumens | 4K (3840×2160) | 0.78-0.9:1 • 0.9-1.3:1 • 1.3-1.8:1 • 1.44-1.8:1• 1.8-2.4:1 • 2.4-4.8:1 • 4.8-8.64:1 • 8.64-12.96 |
| 4K1400-KS | 14250 lumens | 4K UHD+ (3840×2400) | 0.34-0.37:1 140-164102-XX 0.5-0.65:1 140-166104-XX 0.78-0.9:1 140-144100-XX 0.9-1.3:1 140-159106-XX 1.25-2.0:1 140-165103-XX 1.8-2.4:1 140-110103-XX 2.4-4.8:1 140-111104-XX 4.8-8.64:1 140-116109-XX |
| 4K1000-KS | 10050 lumens | 4K UHD+ (3840×2400) | 0.34-0.37:1 140-164102-XX 0.5-0.65:1 140-166104-XX 0.78-0.9:1 140-144100-XX 0.9-1.3:1 140-159106-XX 1.25-2.0:1 140-165103-XX 1.8-2.4:1 140-110103-XX 2.4-4.8:1 140-111104-XX 4.8-8.64:1 140-116109-XX |
Note: Brightness, resolution, and zoom ratio are taken from the Zorsika product database (refer to the model nameplate/manual for accuracy); lens compatibility is based on the body interface and optical structure. For models not listed, contact Zorsika technical support for confirmation.
Specifications
| Lens Model | WB372 |
| Compatible Brands | Optoma, Christie |
| Compatible Model Brightness | 7500–23750 lumens |
| Compatible Model Resolution | 4K (3840×2160), WUXGA 1920×1200, 4K UHD+ (3840×2400) |
| Zoom Ratio | A25 0.85~1.02, A26 1.20~1.73 , A20 1.70~2.12, A21 2.12~2.83, A22 2.83~5.66, A23 5.66~10.18, 0.78-0.9:1 • 0.9-1.3:1 • 1.3-1.8:1 • 1.44-1.8:1• 1.8-2.4:1 • 2.4-4.8:1 • 4.8-8.64:1 • 8.64-12.96, 0.34-0.37:1 140-164102-XX 0.5-0.65:1 140-166104-XX 0.78-0.9:1 140-144100-XX 0.9-1.3:1 140-159106-XX 1.25-2.0:1 140-165103-XX 1.8-2.4:1 140-110103-XX 2.4-4.8:1 140-111104-XX 4.8-8.64:1 140-116109-XX |
| Throw Ratio | 0.74-0.77:1 |
| Compatible Panel Size | 0.67 inch |
| Number of Compatible Models | 8 |
The above parameters come from the Zorsika product database. For the complete technical specification sheet, contact sales to request it.
FAQ
Q: What if the lens doesn't match the picture size?
A: First confirm the model's lens interface and optical axis position, then choose a lens with the corresponding throw ratio based on your actual installation distance. If you're unsure, send your installation distance and screen size to Zorsika technical support and we'll help you choose.
Q: My machine isn't in the list of 8 models above — can I use the WB372?
A: The list covers verified models, not all of them. Engineering projectors of the same brand and generation often share the same lens interface. It's safer to send a photo of the body nameplate and the original lens to Zorsika technical support for confirmation.
Q: Can the lens replace the original one?
A: The lens is the core of the projector's optical path and directly determines clarity and color. Zorsika lenses (see the specifications table above for the model) are benchmarked item by item against the original optical parameters (focal length, throw ratio, lens group), with the same lens coating process — sharp imaging with no blurry edges. Ordinary replacement lenses often use plain glass elements with insufficient coating layers, and the brightness loss and color shift are obvious at a glance. For engineering and exhibition scenarios, Zorsika is recommended.
Q: Why choose Zorsika instead of the original manufacturer?
A: Zorsika lenses are produced according to the original optical drawings, with the lens group, coating, and throw ratio benchmarked item by item, and each unit undergoes a resolution test before leaving the factory. Compared with the original, lead times are shorter and overall value is better; compared with other replacement lenses, optical quality is backed by data.
Q: How long is the lens warranty?
A: All Zorsika projector lenses come with a 12-month warranty; under normal use, non-human damage (such as impact, water ingress, or unauthorized disassembly) can be handled directly through after-sales service. The warranty period is based on the date on the shipping document.
Same Specifications — Why Choose Zorsika
Zorsika offers an original-spec replacement lens for the WB372, with key parameters benchmarked item by item against the original, and supports bulk project procurement and supply.
Zorsika's same-spec replacement model fits 8 models including Optoma and Christie ZK750, ZK1050, DWU1800-JS, DWU2400-JS, 4K1600-JS; enter WB372 in the Zorsika official website query system to see the complete model compatibility list.
- Optical benchmarking: Focal length, throw ratio, and lens group matched to original parameters
- Resolution testing: Each unit tested before leaving the factory, with MTF data available
- Coating process: Lens coating at the same level as the original, reducing light loss
- Stable supply: Supports bulk procurement and project supply
In one sentence: The lens is the optical core — don't gamble on picture quality to save a few bucks. Zorsika projector lenses are produced according to original drawings and offer better overall value.
Note: Actual imaging performance is affected by the projector's condition and installation environment. Before bulk procurement, we recommend getting 1 unit for a hands-on test.
What to Watch Out for When Changing a Lens
- Power off before changing the lens: Before removing or installing the lens, be sure to shut down and wait for the cooling fan to stop, to avoid damaging the interface by working with power on.
- Don't touch the lens elements: Fingerprints and oil stains directly affect image quality. Hold the lens by the barrel, not the glass; if there's dust, use an air blower gently — don't wipe dry with a cloth.
- Focus first, then tighten: After installing in place, focus and test first, then tighten the fixing screws, to avoid loosening over long-term use that causes image drift.
- Keep the interface clean: Dust buildup on the mount and contacts causes poor contact; cleaning it while changing the lens is a safer bet.
Related Query Links
- Zorsika Technical Support Center
- Projector Brand and Compatible Model Query
- Projector Lamp / Lens / Air Filter Product Library
Procurement Inquiry
For solution consulting, project proposals, or the complete model compatibility list for the Zorsika WB372, contact us via:
- Website: www.zorsika.com
- Phone: 0086-20-38551187
- Email: sales@zorsika.com
- Business Hours: Monday to Friday, 9:00-18:00
The lens model and compatible model data in this article come from the Zorsika product database. Data is continuously updated; please refer to actual quotation confirmation.