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Glass reflectors and cover glasses

Auer Lighting has made a significant contribution towards continously improving the efficiency of technical lighting products and ranks among the leading manufacturers of glass reflectors in standardized MR and PAR designs.

The reflectors made of SUPRAX® 8488 borosilicate glass are produced for low- and high-voltage halogen and metal vapor lamps. Auer reflectors with PICVD (dichroic) coating guarantee a long service life and optimum optical properties. Color conversion and design coatings are available for special applications. Our range also includes reflectors with aluminium and metallic bicolor coatings. Cover glasses and diffusion lenses with a variety of forms and functions round off our varied range.


  • Customer-specific shapres and multi-layer designs
  • Hard layers
  • Precise light focusing
  • High color rendering
  • Brilliance
  • Constant light color

We will be pleased to assist you in the implementation of your design ideas.

Standard PAR-Reflectors

Reflectors Outer Diameter Inner Diameter Height Neck Diameter
PAR 20 63.5 mm ± 0.5 56.5 mm 61.6 mm ± 0.5 24.8 mm ± 0.5
PAR 30 95.2 mm ± 0.4 88.5 mm 80.0 mm ± 0.4 24.8 mm ± 0.5
PAR 38 122.4 mm ‡0.5 114.2 mm 100.5 mm ± 0.5 24.8 mm ± 0.5