Optoma Original Lens BX-CTA13 Ultra Long Zoom: Compatible with 12 Models & Throw Ratio

The Optoma BX-CTA13 Ultra Long Zoom is an original (OEM) lens for Optoma installation projectors. It is a long throw lens with a throw ratio of 2.90-5.50:1. This article compiles its 12 compatible projector models, optical specifications, and purchasing considerations for quick compatibility verification by projector model.

Specifications

The specifications above are sourced from OEM documentation and the Zorsika product database; full technical datasheets are available upon request from sales.

BX-CTA13 Ultra Long Zoom Compatible Model List (12 models, with brightness/resolution)

The following are verified compatible models for the BX-CTA13 Ultra Long Zoom, each with brightness and resolution; the compatible lens model for all is BX-CTA13 Ultra Long Zoom:

Note: Brightness/resolution are taken from the model database (refer to the unit's nameplate/manual for accuracy); lens compatibility is determined by the projector's lens mount and panel/chip size. For models not listed, contact Zorsika technical support for confirmation.

About This Original Lens

Optoma BX-CTA13 Ultra Long Zoom Lens

The BX-CTA13 Ultra Long Zoom is an original long throw lens manufactured by Optoma. Its optical structure, lens coatings, and body tolerances are matched to original machine standards, ensuring plug-and-play installation and stable imaging. For installation environments with restricted projection distances (e.g., large images from short distances, wall-mounted ultra-short throw), selecting the correct throw ratio is more critical than choosing a generic lens.

This lens has a throw ratio of 2.90-5.50:1. Throw ratio = projection distance ÷ image width: a smaller value produces a larger image (suitable for short distances in small spaces), while a larger value requires a longer installation distance. Calculate the required throw ratio range based on your installation distance and screen size, then match it to this model.

Genuine Product and Purchasing Information

Zorsika supplies the genuine Optoma original lens BX-CTA13 Ultra Long Zoom through authorized channels, complete with original packaging and traceable serial numbers, suitable for bulk procurement and project supply for installation projectors, conference rooms, classrooms, and similar applications.

• Genuine Product Guarantee: Sourced through authorized OEM channels, with original packaging and serial numbers; channel documentation can be provided for bulk projects to eliminate refurbished or unverified units.
• Compatibility Verification: Provide the projector model before ordering, and Zorsika technical support will confirm against the compatible model list above to avoid installation issues.
• Project Supply: The BX-CTA13 Ultra Long Zoom covers 12 models; common projects can be scheduled in advance to shorten lead times.
• Alternative Options: For budget-sensitive projects, Zorsika also offers equivalent replacement lenses with key specifications matched to OEM standards, available as needed.

Note: Actual imaging performance is affected by projector condition and installation environment; it is recommended to test one unit before large-volume orders.

FAQ

Q: How do I choose between an original lens and a replacement lens?

A: Original lenses are manufactured by Optoma, with optical parameters and body tolerances calibrated to original machine standards, ideal for projects requiring strict OEM consistency; Zorsika replacement lenses are independently designed and manufactured to the same specifications, with throw ratio, image circle, and mount matched to the original, offering advantages in budget and lead time. Zorsika supplies both options—choose based on project requirements.

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

A: Refer to the projector's lens mount and panel/chip size; verified compatible models are listed in this article. Projectors of the same generation and brand often share mounts; if unsure, photograph the unit's nameplate and send it to Zorsika technical support for confirmation.

Q: How do I choose the throw ratio?

A: Throw ratio = projection distance ÷ image width. A smaller value produces a larger image (short throw/ultra-short throw suits close-range small spaces), while a larger value requires a longer installation distance. Calculate the required throw ratio range based on installation distance and screen size, then match it to this model's focal range.

Q: How can I ensure the BX-CTA13 Ultra Long Zoom is genuine?

A: Zorsika supplies genuine products through authorized OEM channels, with original packaging and traceable serial numbers; channel documentation can be provided for bulk projects to ensure the unit is not refurbished or a used disassembled part.

Q: What should I pay attention to when replacing the lens?

A: Power off the projector and wait for the cooling fan to stop before disassembly; hold the lens barrel without touching the glass, use a blower for dust; after installation, test focus before tightening the locking screws, and clean the mount and contacts as you go.

Q: How long is the lens warranty?

A: Zorsika provides a 12-month warranty on all projector lenses; normal use and non-manual damage (e.g., impacts, water ingress, unauthorized disassembly) can be handled directly through after-sales service, with the warranty period based on the shipping document date.

Related Inquiry Links

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

Purchasing Inquiries

For consultation on the Optoma original lens BX-CTA13 Ultra Long Zoom, project solutions, or the full compatible model list, contact us through the following channels:

• 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 are sourced from OEM documentation and the Zorsika product database; data is continuously updated and subject to confirmation at the time of inquiry.