Grumpy Old Lighting Folk

The GOLF club with no golf clubs.
A selection of useful information.

Glare Seminars
in conjunction with The Lighting Industry Association Academy

Glaring Problems with the EN 12464-1:2011 standard

UGR & Glare in Relux

What could be wrong with your data? (.pdf)

Absolute photometry in EU-Lum files

Relux - Maintenance Factor

Maintenance Factor - LED luminaires

Relux - Imported Data


More coming soon... email us with suggestions.