Christie 121-129103-XX Zoom Genuine Projector Lens - for LHD720i-D BLACK, LHD720i-D WHITE

Specifications

The above parameters are sourced from original manufacturer data and the Zorsika product database; for complete technical specifications, please contact your sales representative.

121-129103-XX Zoom Model Compatibility List (17 Models, with Brightness/Resolution)

Below are the verified compatible projector models for 121-129103-XX Zoom, with brightness and resolution for each unit; the compatible lens model is 121-129103-XX Zoom:

Note: Brightness/resolution data is sourced from the model database (subject to the unit nameplate/manual); lens compatibility is based on the unit's lens interface and panel/chip size; for models not listed, please contact Zorsika technical support for confirmation.

About This Genuine Lens

Christie 121-129103-XX Zoom Lens

The 121-129103-XX Zoom is a standard throw lens manufactured by Christie, with optical construction, lens coating, and chassis tolerances all matching original specifications—ready to install for stable imaging. For installations with limited projection distance (such as short-throw large images or ultra-short-throw wall-mounted setups), selecting the correct throw ratio is even more critical than choosing a general-purpose lens.

This lens has a throw ratio of 1.19-1.80:1. Throw ratio = projection distance ÷ screen width: smaller values produce larger images (suitable for compact spaces), larger values require greater installation distances. Calculate the required throw ratio range based on on-site installation distance and screen dimensions, then match to this model.

Authenticity and Purchasing Information

Zorsika provides genuine Christie 121-129103-XX Zoom lenses through authentic channels, complete with original packaging and verifiable serial numbers, suitable for bulk procurement and project supply in engineering projection, conference rooms, classrooms, and similar applications.

• Authenticity Guaranteed: Genuine factory channels with original packaging and serial numbers; batch projects can request channel documentation to ensure no refurbished or untraceable units.
• Compatibility Check: Provide the projector model before ordering; Zorsika technical team will verify against the compatible model list above to prevent installation issues.
• Project Supply: 121-129103-XX Zoom covers 17 models; common projects can be scheduled in advance to reduce lead times.
• Alternative Options: For budget-sensitive needs, Zorsika also offers same-specification replacement lenses with key parameters aligned to OEM standards, available by request.

Note: Actual imaging performance depends on projector condition and installation environment; it is recommended to test one unit before bulk orders.

Frequently Asked Questions

Q: How do I choose between genuine and replacement lenses?

A: Genuine lenses are manufactured by Christie with optical parameters and chassis tolerances calibrated to original specifications, suitable for projects requiring strict OEM consistency; Zorsika replacement lenses are independently designed and manufactured to the same specifications, with throw ratio, imaging circle, and mount matching the original unit, offering advantages in budget and delivery time. Zorsika supplies both options—choose based on project requirements.

Q: How do I confirm this lens works with my projector?

A: Use the projector lens mount interface and panel/chip size as reference; this article lists verified compatible models. Same-generation, same-brand engineering projectors often share mounts—send a photo of the unit nameplate to Zorsika technical support for confirmation if unsure.

Q: How do I choose the throw ratio?

A: Throw ratio = projection distance ÷ screen width. Smaller values produce larger images (short-throw/ultra-short-throw suits small close spaces), larger values require greater installation distances. Back-calculate the required throw ratio range from your installation distance and screen dimensions, then match to this model's throw range.

Q: How does 121-129103-XX Zoom ensure authenticity?

A: Zorsika provides genuine products through OEM channels, complete with original packaging and verifiable serial numbers; batch projects can request channel documentation to ensure no refurbished or second-hand pulled units.

Q: What should I watch for when replacing the lens?

A: Always power off and wait for the cooling fan to stop before removal/installation; hold the lens barrel without touching the glass, use an air blower for dust; after positioning, test focus before tightening the mounting screws, and clean the mount and contacts.

Q: What is the warranty period for the lens?

A: Zorsika offers a 12-month warranty on all projector lens product lines; normal use and non-human damage (such as impacts, water ingress, unauthorized disassembly) can be directly handled through after-sales service, with warranty period based on shipping document date.

Related Search Links

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

Procurement Inquiry

For Christie genuine lens 121-129103-XX Zoom scheme consultation, project planning, or complete compatible model list, contact us through:

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

Lens model and compatible model data in this article are sourced from OEM documentation and the Zorsika product database, continuously updated; please confirm with actual inquiry.