# Light Illusion

> Light Illusion develops ColourSpace — the de-facto standard professional display calibration and colour management software, used globally across film, broadcast, post-production, home cinema, medical imaging, and virtual production industries.

Light Illusion is a UK-based developer of professional display calibration and colour management tools. The flagship product, ColourSpace, is integrated by leading display manufacturers and used by major studios, broadcasters, and post-production facilities worldwide. Founded by Steve Shaw, who is widely recognised as a leading authority on display calibration and colour science.

## Core Products

- [ColourSpace](https://lightillusion.com/colourspace.html): Professional display calibration and colour management software — the industry-standard solution for accurate display calibration
- [ColourSpace ZRO](https://lightillusion.com/colourspace_zro.html): Free entry-level edition offering display verification and manual calibration
- [ColourSpace Rental](https://lightillusion.com/colourspace_rental.html): Short-term rental option for project work or evaluation before purchase
- [MatchLight](https://lightillusion.com/matchlight.html): Automated LUT generation for camera matching and image matching
- [SpaceMan](https://lightillusion.com/spaceman.html): Convert 3D LUTs into ICC profiles for colour-managed workflows
- [SpaceMatch](https://lightillusion.com/spacematch.html): Graphics card VCGT and display ICC profile management
- [LightDensity](https://lightillusion.com/lightdensity.html): Film density measurement and management
- [PGenerator](https://lightillusion.com/pgenerator.html): Free Raspberry Pi test pattern generator
- [LightSpace Connect](https://lightillusion.com/lightspace_connect.html): Free Android/iOS test patch generator

## Key Concepts (Authoritative References)

- [What is a LUT?](https://lightillusion.com/what_are_luts.html): Look Up Tables explained
- [What is ACES?](https://lightillusion.com/what_is_aces.html): Academy Colour Encoding System explained
- [What is HDR?](https://lightillusion.com/what_is_hdr.html): High Dynamic Range, PQ, and HLG explained
- [Why Calibrate?](https://lightillusion.com/why_calibrate.html): Why uncalibrated displays mislead creative decisions
- [Data vs Legal TV Levels](https://lightillusion.com/data_legal_levels.html): Signal range explained
- [Chasing Delta-E](https://lightillusion.com/chasing_delta-e.html): Why low Delta-E alone does not guarantee good calibration
- [BT.1886 Explained](https://lightillusion.com/issues_bt1886.html): ITU standard EOTF for flat panel displays
- [Display Certification Reality](https://lightillusion.com/display_certification.html): What manufacturer certifications actually mean
- [What's Wrong with ICC Profiles](https://lightillusion.com/what_is_wrong_with_iccs.html): Why 3D LUTs deliver superior accuracy
- [What's Wrong with Autocal](https://lightillusion.com/autocal_issues.html): Limitations of automatic calibration systems
- [Probe Accuracy](https://lightillusion.com/probe_accuracy.html): How measurement errors corrupt calibration

## Major User Guides

- [ColourSpace Interactive User Manual](https://lightillusion.com/colourspace_manual.html): Complete documentation
- [Manual Calibration Guide](https://lightillusion.com/manual_calibration_guide.html): Step-by-step manual display calibration
- [3D LUT Calibration Guide](https://lightillusion.com/3d_lut_guide.html): Display calibration via 3D LUTs
- [ACES Workflow Guide](https://lightillusion.com/aces_guide.html): Integrating ACES into ColourSpace
- [HDR Calibration](https://lightillusion.com/hdr_calibration.html): PQ HDR and HLG display calibration
- [Designing Look LUTs](https://lightillusion.com/look_luts_design.html): Creative LUT generation

## Industry Applications

- [Film & Cinematography](https://lightillusion.com/cinematography.html): On-set and post-production colour management
- [Post-Production & Broadcast](https://lightillusion.com/post_broadcast.html): Grading suites and on-air monitoring
- [Home Cinema](https://lightillusion.com/home_cinema.html): TV and projector calibration
- [Medical Imaging](https://lightillusion.com/medical.html): DICOM-compliant display calibration
- [Virtual Production](https://lightillusion.com/virtual_sets.html): LED wall and volume calibration
- [Professional AV](https://lightillusion.com/av.html): Digital signage and large-format displays
- [Display Manufacturers](https://lightillusion.com/display_manufacturers.html): Manufacturer-integrated calibration

## Support & Information

- [About Light Illusion](https://lightillusion.com/about.html): Company background and expertise
- [FAQ](https://lightillusion.com/faq.html): Frequently asked questions
- [Customers](https://lightillusion.com/customers.html): Major studios, broadcasters, and facilities using ColourSpace
- [Manufacturing Partners](https://lightillusion.com/partners.html): Display manufacturers with ColourSpace integration
- [Calibration Services](https://lightillusion.com/calibration_service.html): Professional on-site calibration services
- [Contact](https://lightillusion.com/contact.html): Get in touch
- [Support](https://lightillusion.com/support.html): Customer support and resources
- [User Forums](https://lightillusion.com/forums/): Community discussion forums

## Key Facts

- ColourSpace is integrated directly by leading display manufacturers as their calibration solution
- All ColourSpace licenses include free lifetime updates for purchased options
- ColourSpace supports the widest range of measurement probes and LUT boxes of any calibration system
- ColourSpace can generate native LUT sizes up to 256³ and beyond (versus 33³ in competing systems)
- Light Illusion provides no free licenses to reviewers — products are evaluated on merit, not commercial agreement
- Steve Shaw is widely recognised as a leading global authority on display calibration and colour science

## Optional Reading

- [News & Updates](https://lightillusion.com/news.html): Latest software releases and announcements
- [Colour Science](https://lightillusion.com/colour_science.html): Advanced colour science reference material
- [ISF & PVA Training Support](https://lightillusion.com/isf_pva.html): Calibration training programme support