Epson's Wide-Throw Zoom Lens (ELPLW07) is an interchangeable lens that works with the Pro L25000 Projector.
F Number: 2.2 - 2.5 Throw Ratio (200" Screen): 1.3 - 1.76 Lens Shift: V= +65%, H= +/-30%
https://epson.com/Accessories/Projector-Accessories/Wide-Throw-Zoom-Lens-%28ELPLW07%29/p/V12H004W07