This lens provides a 3.0-4.3:1 throw ratio when used in 2K resolution output and 1.63-2.17:1 throw ratio when used in 4K resolution output.
For specific lens throw distance values, please refer to the Christie Lens Calculator on this website or the downloadable PDF throw distance chart located in the resource tab of this lens option or the resource tab of Christie projector to be used with this lens.