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Track light spacing worked out from beam angle and mounting height: pool width, pitch, overlap and head count, with a full height-by-beam table and FAQ.
Glare-free lighting, worked out: how a UGR<19 limit turns into an aperture luminance ceiling, a solid angle and a lamp-to-eye distance. With the arithmetic.
Museum lighting design in practice: how to budget lux against exposure hours, calculate UV load in mW/m2, and specify conservation-safe filters and layouts.
How to read a photometric report: lumens vs candela, polar distribution curves, coefficient of utilization and a four-line lux check for track lights. Read on.
How far apart should track lighting be? Use beam angle and mounting height to calculate track light spacing, overlap and head counts room by room. Read on.
Two identical red apples sit in the same room. Under one light they look deep, glossy and alive; under another they look brownish and dead. Same fruit, same camera, same room. The only thing that changed was a number almost…
CRI vs TM-30: what each metric really measures, why CRI can hide a weak red channel, and the Rf, Rg & R9 values to specify for high-CRI LED lights. Read on.
Imagine a room with walls of glass, a ceiling full of small recessed lights, and a view you want to enjoy. Then you look up — and a bright disc stings your eyes, forcing you to look away. That single…
Have you ever walked into a room with beautiful recessed downlights, only to feel a sharp, uncomfortable glare whenever you looked up? That discomfort isn’t in your head — it’s measured. The Unified Glare Rating (UGR) is the international standard…
Room-by-room lux guide for Nordic homes: living rooms need 150-300 lux, kitchens 300-500, bedrooms 50-150. Learn how many lux you need per room with LED track lighting.
