[EN] Zorsika WK211 Ultra Short Throw Projector Lens — 1 model compatible with Kadenlan（蓝胜卡顿） +

This article is a complete selection guide for the Zorsika WK211 ultra-short-throw projector lens, covering 1 compatible Kadenlan projector model, full specifications (throw ratio 0.46:1, MTF 70lp/mm center≥65%), a comparison table of overall specifications for each projector model when equipped with this lens, tips for selection and installation to avoid pitfalls, and a FAQ section. For other lens models, please visit the Zorsika official website at www.zorsika.com.

Why the Zorsika WK211 Continues to Attract Buyer Attention

The Zorsika WK211 is an ultra-short-throw projector lens (throw ratio 0.46:1) that covers 1 mainstream Kadenlan projector model. The most common challenges buyers face during selection are: high pricing and unstable supply cycles for original OEM lenses; inconsistent quality of third-party lenses with subpar MTF/resolution. Zorsika addresses this pain point by offering an alternative lens solution with identical specifications to the original, all passing optical testing, with free replacement for non-human damage during the warranty period.

Zorsika WK211 Projector Lens Specifications

The following are the specifications of the Zorsika WK211 lens itself (from official data at zorsika.com):

Compatible Projector Models for Zorsika WK211 Lens (1 Model)

The Zorsika WK211 lens is compatible with the following Kadenlan projector models: The table below shows the overall specifications of each Kadenlan projector model when equipped with the Zorsika WK211 lens. These parameters reflect the actual performance after the lens and body are combined:

Key Points to Avoid Pitfalls in Selection and Installation

1. Confirm the throw ratio and installation distance: Calculate the required throw ratio based on room depth and target screen size. For an ultra-short-throw lens, the optimal installation distance is within 0.5 meters to project a 100-inch image.
2. Check the lens shift range: Before installation, ensure the projector's vertical/horizontal shift margin to avoid image overflow or inability to center the image.
3. Verify lens mount compatibility: The Zorsika WK211 lens uses the standard lens mount for Kadenlan projectors. Before purchasing, please confirm with sales that your projector model is on the compatibility list.

According to the Zorsika official maintenance manual, the Zorsika WK211 lens requires no special maintenance under normal usage conditions. Avoid severe vibration and high-temperature environments for long-term stable operation. For detailed optical parameters and compatible models, please visit the Zorsika Chinese website at lens-7747 page.

Additional Notes on the Zorsika WK211

As an ultra-short-throw lens for Zorsika projectors (Zorsika projector UST lens), the Zorsika WK211 is compatible with 1 mainstream Kadenlan projector model. The lens is a precision optical component that plays a key role in the optical path transmission and image formation within the projector optical system. All lenses provided by Zorsika undergo MTF testing (modulation transfer function test) and focus accuracy calibration to ensure full 4K resolution presentation. To view lenses from other brands or focal lengths, please visit www.zorsika.com.

Related reading: Projector Lens Library · All Kadenlan Models · Lens Compatibility Inquiry

FAQ — Zorsika WK211 Frequently Asked Questions

Q: What does the throw ratio of the Zorsika WK211 lens mean?

A: Throw ratio = projection distance / image width. The smaller the ratio, the larger the image at the same distance. The Zorsika WK211 has a throw ratio of 0.46:1, making it an ultra-short-throw lens. It is recommended to calculate the achievable image size based on the installation distance, or consult Zorsika sales for selection assistance.

Q: Which projector models are compatible with the Zorsika WK211 lens?

A: The Zorsika WK211 lens is compatible with 1 Kadenlan projector model. Please refer to the "Compatible Projector Models" table in this article. To confirm compatibility with a specific model, please contact Zorsika sales and provide a photo of the projector's nameplate. We will verify lens-body matching for you.

Q: What does the MTF (Modulation Transfer Function) of the lens represent?

A: MTF (Modulation Transfer Function) reflects the lens's ability to reproduce detail. Higher values indicate sharper images. Professional projector lenses generally require MTF >50% @93lp/mm. The Zorsika WK211 lens has an MTF specification of 70lp/mm center≥65%. In 4K projection applications, MTF is a key indicator to determine whether the lens truly supports 4K resolution.

Q: How to choose between an ultra-short-throw lens and a short-throw lens?

A: The main difference between ultra-short-throw (0.46:1) and short-throw (typically 0.4-1.0:1) lies in the installation distance: ultra-short-throw can project a 100-inch image from 0.3-0.5 meters, suitable for desktop interactive applications and electronic whiteboard replacement; short-throw requires 1-2 meters, suitable for ceiling mounting above classroom blackboards. If the room depth is less than 2 meters, ultra-short-throw is recommended; if the depth is 2-4 meters, short-throw offers better value.

Q: Does the Zorsika WK211 lens support 4K projection?

A: Yes. The Zorsika WK211 lens has an MTF specification of 70lp/mm center≥65%, meeting the 4K resolution standard (≥60% @93lp/mm). When paired with a 4K projector, it can output full 4K images.

Q: What is the installation method for the Zorsika WK211 lens?

A: The Zorsika WK211 lens uses the standard lens mount for Kadenlan projectors. Simply insert it into the lens compartment and turn clockwise to lock it, taking approximately 30 seconds. For on-site installation support, please contact a Zorsika sales engineer for on-site service.

Purchase Inquiry

For specific configuration, pricing, stock, or alternative solutions for the Zorsika WK211 lens, please contact the Zorsika sales team. We offer 1-on-1 selection consultation, technical parameter comparison, on-site installation support, and other services.

• Website: www.zorsika.com
• Phone: 020-38551187
• Email: sales@zorsika.com
• Working Hours: Monday to Saturday 9:00-18:00, reply within 24 hours

Data Source Statement

All lens models, specifications, and compatible model data in this article are sourced from: the official product page at zorsika.com and the Zorsika database.