Zorsika SA18- Projector Lens Compatible Models: Hokusi HT-K877U HT-K878U HT-K879U HT-K870U HT-K770U

The projector lens directly determines image size and clarity. SA18- covers 33 models from HOKUS, Yunguo, NEC, and others. Before replacing the lens, check the list first to confirm compatibility.

Specifications

The above parameters come from the Zorsika product database. For the complete technical specification sheet, please contact sales.

SA18- Model Compatibility List (33 models total, with brightness/resolution/zoom ratio)

The following are verified compatible models for SA18- (HOKUS, Yunguo, NEC, and other projectors), with brightness, resolution, and zoom ratio listed for each:

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 on the list, please contact Zorsika technical support for confirmation.

What the Zorsika Lens Offers You

For engineering lenses like the SA18-, Zorsika benchmarks each item against the original optical parameters (focal length, throw ratio, lens group), with consistent lens coating processes, delivering sharp imaging with no blurry edges — ready to use upon installation.

Zorsika's equivalent replacement model is compatible with 33 models including HOKUS, Yunguo, NEC, and others such as HT-K877U, HT-K878U, HT-K879U, HT-K870U, HT-K770U; enter SA18- in the Zorsika official website query system to find the complete model compatibility list.

• Optical Benchmarking: Focal length, throw ratio, and lens group matched to original parameters
• Resolution Testing: Each unit tested before shipment, with MTF data available
• Coating Process: Lens coatings 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 image quality to save a few bucks. Zorsika projector lenses are produced according to original factory drawings, offering comprehensive advantages.

Note: Actual imaging performance is affected by the projector's condition and installation environment. Before bulk procurement, we recommend obtaining 1 unit for actual testing.

What to Pay Attention to When Replacing the Lens

• Power off before replacing 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 operating 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 is dust, use an air blower to gently blow it off — do not wipe dry with a cloth.
• Focus before tightening: After installation is in place, perform a focus test first, then tighten the fixing screws, to avoid loosening over long-term use that causes image drift.
• Keep the interface clean: Dust accumulation on the mount and contacts can cause poor contact. Cleaning them while replacing the lens is a safer approach.

Frequently Asked Questions

Q: My machine is not on the 33-model list above. Can I use SA18-?

A: The list covers verified models but does not represent all. Engineering projectors of the same brand and generation often share the same lens interface. It is safer to take photos of the body nameplate and the original lens and send them 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 specification table above for models) benchmark each item against the original optical parameters (focal length, throw ratio, lens group), with consistent lens coating processes, delivering sharp imaging with no blurry edges. Ordinary replacement lenses often use ordinary glass elements with insufficient coating layers, resulting in visible brightness loss and color shift. For engineering and exhibition scenarios, Zorsika is recommended as the priority.

Q: Why choose Zorsika instead of the original?

A: Zorsika lenses are produced according to original optical drawings, with lens group, coating, and throw ratio benchmarked item by item, and each unit undergoes resolution testing before shipment. Compared to the original, delivery times are shorter and overall value is better; compared to other replacement lenses, optical quality is backed by data.

Q: What if the lens doesn't match the image size?

A: First confirm the model's lens interface and optical axis position, then select a lens with the corresponding throw ratio based on the actual installation distance. If unsure, send the installation distance and screen size to Zorsika technical support, and we will help you choose.

Q: Is there an installation guide for SA18-?

A: Yes. The lens removal and installation steps for models like HOKUS, Yunguo, and NEC are basically the same. Contact Zorsika sales to obtain illustrated or video instructions for the corresponding model.

Q: How long is the lens warranty period?

A: All Zorsika projector lenses come with a 12-month warranty. Under normal use and non-human-caused damage (such as impact, water damage, or unauthorized disassembly), you can contact after-sales service directly. The warranty period is based on the date on the shipment document.

Related Query Entries

• Zorsika Technical Support Center
• Projector Brand and Compatible Model Query
• Projector Lamp / Lens / Air Filter Product Library

Procurement Inquiry

For Zorsika SA18- solution consultation, project proposals, or the complete model compatibility list, please contact us via the following:

• Website: www.zorsika.com
• Phone: 0086-20-38551187
• Email: sales@zorsika.com
• Business Hours: Monday to Friday, 9:00-18:00

The lens models and compatible model data in this article come from the Zorsika product database. Data is continuously updated; please refer to actual inquiry confirmation.