Graph illustration of typical CRI values

CRI: understanding the Color Rendering Index

Occasionally we cover topics incidental to lighting, but not directly related to light sensitivity.  This is one of those topics. If you've shopped for LED bulbs you might have seen...

Philips “Warm Glow” 50w LED replacement 2200-2700K GU10 base (2016)

In our continued search to find the ideal GU10 bulb, we came across the Philips "Warm Glow" 50w replacement.  Will this finally be a suitable replacement to hot halogen equivalent...

Luminus Elite 50W LED replacement GU10 base (2017)

Having just reviewed the 2016 Luminus Elite 50w GU10 replacement bulb sourced from Costco we found that the bulb while it performed well enough, wasn't a good option for...

Luminus Elite 50w LED replacement GU10 base (2016)

Forever in search for a good flicker-free GU10 bulb, we came across the Luminus Elite 50w replacement bulb at Costco.  According to the spec sheet it scores very high...

Sunlight (Reference)

It's hard to appreciate just how problematic LED lighting is without some reference to what 'good' old natural light looks like.  That fiery circle in the sky is notable for giving...

Christmas lights to avoid in 2016 (video)

Selecting Christmas lights is like walking through a minefield.  Sure, these lights output relatively low amounts of light, but it's 2016 and harsh low-frequency flicker in Christmas lights is inexcusable. For...

Philips 100w LED replacement E26 base (2016)

Need an excellent 100 watt-equivalent LED light bulb that's easy on the eyes and fits into a standard 120v light socket?  This is it. BASICS Connector:  E26 Medium Base (Standard,...
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