At a glance
  1. Zorsika SC221 Lens Specification Table
  2. Zorsika SC221 Projector Lens Parameters
  3. Why the Zorsika SC221 is a Lens of Continuous Interest for Buyers
  4. Selection and Installation Pitfalls
  5. Supplementary Note on the Zorsika SC221
  6. Related Reading:
  7. FAQ — Zorsika SC221 Frequently Asked Questions
  8. Q: What does the throw ratio of the Zorsika SC221 lens mean?
  9. Q: Which projector models are compatible with the Zorsika SC221 lens?
  10. Q: What does the lens MTF (Modulation Transfer Function) represent?
  11. Q: Does the lens require re-calibration after installation?
  12. Q: Does the Zorsika SC221 lens support 4K projection?
  13. Q: What is the installation method for the Zorsika SC221 lens?
  14. Purchase Inquiry
  15. Data Source Statement

Zorsika SC221 is a Christie projector compatible lens, applicable to 10 models, custom-made according to original factory specifications, and can be directly replaced and installed.

Zorsika SC221 Ultra-short-throw Projector Lens — 10 Christie Compatible Models + Complete SpecifiZorsika SC221 Ultra-short-throw Projector Lens — 10...

科视 SC221 lens

Zorsika SC221 Lens Specification Table

SpecificationParameter
BrandZorsika
Zorsika ModelSC221
Throw Ratio0.85-1.37:1
F Number / Focal Length2.0-2.4/18.72～29mm
Recommended Screen Size (inches)500
MTF (Modulation Transfer Function)>60% @ 67lp/mm
Lens Dimensionsφ105x203mm
Resolution4K
Horizontal Lens Shift10%
Vertical Lens Shift4%

This article is a complete selection guide for the Zorsika SC221 projector lens, covering 10 Christie (Christie) compatible models, full specifications (throw ratio, MTF, F number, lens construction), a comparison table of overall specifications for each projector when equipped with this lens, selection and installation pitfalls, and frequently asked questions. For other lens models, please visit the Zorsika official website www.zorsika.com.

Zorsika SC221 Projector Lens Parameters

Why the Zorsika SC221 is a Lens of Continuous Interest for Buyers

The Zorsika SC221 is compatible with mainstream Christie projector models. The most common challenges buyers face during selection are: high OEM lens prices and unstable supply cycles; inconsistent quality of third-party lenses with MTF/resolution not meeting standards. To address this, Zorsika offers OEM-equivalent replacement lens solutions, all tested optically and covered by a warranty with free replacement for non-human damage during the warranty period.

Selection and Installation Pitfalls

  1. Confirm the Throw Ratio and Installation Distance — Calculate the required throw ratio based on room depth and target screen size. The optimal installation distance for ultra-short-throw lenses is 1-2 meters for a 100-inch screen;
  2. Check the Lens Shift Range — Before installation, ensure the projector's horizontal/vertical lens shift margin to avoid image overflow or inability to center the image;
  3. Confirm Mount Compatibility — The Zorsika SC221 lens uses the Christie projector standard mount. Please confirm with sales that your projector model is on the compatibility list before purchasing.

Supplementary Note on the Zorsika SC221

As a lens for Zorsika projectors (Zorsika projector lens), the Zorsika SC221 is suitable for 10 Christie projector models. Lenses are precision optical components (precision optical components) that play a key role in the projector's optical system for light path transmission and image formation. All Zorsika lenses undergo MTF testing (modulation transfer function test) and focus accuracy calibration to ensure the full presentation of 4K resolution (4K resolution). To view lenses of other brands or focal lengths, please visit www.zorsika.com.

Related Reading:

Christie SC221 Lens Compatible Projector Models (10 models)

Projector ModelResolutionBrightnessLens Zoom Ratio
DWU2022-HSWUXGA,1920 x 120020600900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
D20WU-HSWUXGA,1920 x 120020600900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
DWU1612-HSWUXGA,1920 x 120017400900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
D16WU-HSWUXGA,1920 x 120017400900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
D13WU2-HSWUXGA,1920 x 120013550900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
DWU23-HSWUXGA,1920 x 120025050900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
DWU19-HSWUXGA,1920 x 120020050900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
DWU15-HSWUXGA,1920 x 120016050900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
4K22-HS4K (3840 x 2160)22500900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)
4K13-HS4K (3840 x 2160)14800900-300349-XX**(0.38) 140-144100-XX(0.65-0.75) 140-115108-XX(1.02-1.36) 140-136101-XX(1.20-1.73) 140-109101-XX(1.20-1.50) 140-110103-XX(1.50-2.0) 140-111104-XX(2.0-4.0) 140-116109-XX(4.0 - 7.2) 140-145101-XX(7.2-10.8)

FAQ — Zorsika SC221 Frequently Asked Questions

Q: What does the throw ratio of the Zorsika SC221 lens mean?

A: Throw ratio = projection distance / screen width. The smaller the ratio, the larger the image from the same distance. It is recommended to calculate the achievable screen size based on installation distance, or consult Zorsika sales for selection calculation.

Q: Which projector models are compatible with the Zorsika SC221 lens?

A: The Zorsika SC221 lens is compatible with 10 Christie projector models. See the "Compatible Projector Models" table in this article for details. To confirm compatibility with a specific model, contact Zorsika sales with a photo of the projector's nameplate, and we will verify lens-to-projector matching.

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

A: MTF (Modulation Transfer Function) reflects the lens's ability to reproduce fine details; higher values mean sharper images. Professional projector lenses generally require MTF >50% @93lp/mm. The MTF specification of the Zorsika SC221 lens is >60% @93lp/mm. In 4K projection applications, MTF is a key indicator of whether the lens truly supports 4K resolution.

Q: Does the lens require re-calibration after installation?

A: No — the mount is identical to the OEM. After installation, only minor adjustments to focus and zoom based on the actual projection distance are needed. If image anomalies (black edges, light leakage, defocus) occur, first check if the lens is fully seated in the mount, then confirm that the projector firmware version is compatible with the lens.

Q: Does the Zorsika SC221 lens support 4K projection?

A: Yes. The Zorsika SC221 lens has an MTF specification of >60% @93lp/mm, meeting the 4K resolution standard (≥60% @93lp/mm). When paired with a 4K projector, it can output a full 4K image.

Q: What is the installation method for the Zorsika SC221 lens?

A: The Zorsika SC221 lens uses the Christie projector standard lens mount. Insert it into the lens compartment and rotate clockwise to lock — the entire process takes about 30 seconds. For on-site installation support, contact Zorsika sales engineers for on-site service.

Purchase Inquiry

For specific configurations, pricing, stock, or alternative solutions for the Zorsika SC221 lens, please contact the Zorsika sales team. We offer 1-on-1 selection consultation, technical parameter comparison, and on-site installation support.

Website: www.zorsika.com
Phone: 020-38551187
Email: sales@zorsika.com
Business hours: Monday to Saturday 9:00-18:00, reply within 24 hours (Christie official technical documentation)

Data Source Statement

All lens models, specifications, and compatible projector data in this article are sourced from:

  • zorsika.com official product pages
  • Zorsika database