Choosing lightbulbs

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• Lumens vs Watts (incadescent bulbs)
• 2600 lm = 150 W
• 1600 lm = 100 W
• 1100 lm =  75 W
•  800 lm =  60 W
•  450 lm =  40 W

• Light bulbs and Kelvin colourtemperature
• 10,000K+ = Blu Sky
• 7,000 - 7,500 = Cool White
• 6,000 = Cloudy Sky
• 5,500 - 6,000 = Day White
• 4,800 = Direct Sunlight
• 4,000 - 4,500 = Natural White
• 4,000 = Clear Metal Halide
• 3,000 = 100W Halogen
• 2,800 = 100W Incadescent
• 2,700 - 3,200 = Warm White
• 2,200 = High Pressure
• 1,900 = Candle