Y12 Prismatic Acrylic Light Diffuser

An economical diffuser for standard lighting applications


Y12 is the original prismatic pattern lighting panel whose overall efficiencies and lamp concealment qualities have become the benchmarks against which other prismatic panels are judged. With a 5mm diagonal female prism pattern, Y12 provides maximum efficiency and good brightness control in the direct glare zone.


Acrylic material used in Y12 meets or exceeds recognised standards.  Under normal interior conditions, these lenses will perform satisfactorily for 20 years.

Y12 is manufactured from 100% Acrylic (Polymethylmethacrylate). Flammability Rating-UL94 HB.


(Based on photometric tests)

  • Light output ratio of 74%
  • Typical unified glare rating of 22


  • General offices
  • Clinical facilities
  • Retail areas
  • Skylights
  • Schools


Prism depth:  1.8mm
Thickness:  2.5mm, 2.8mm, 3.0mm, 4.0mm

Prism size:  5mm x 5mm
Prism config. Female at a 45º axis
Prism depth:  1.8mm

Max width:  1270mm
Max length:  2540mm