GE LIGHTING Miniature Incandescent Bulb, S8, Single Contact Bayonet (BA15s), Lumens 460, Watts 25, PK 2 - 2DAU5|P21W/BP2 - Grainger
LED Reflector Flood Light, BR30, Soft White, 650 Lumens, 9-Watts, 6-Pk. | Killingworth True Value
How do they make bulbs with a high (lumens) light output but low wattage? If there is a direct relationship between wattage and brightness that can be stated in a closed form
Integral LED - What are lumens? - YouTube
Lumens to Watts Conversion Chart for LED Bulbs
Lumens to Watts Conversion Chart for LED Bulbs
Lumens to Watts Conversion Chart for LED Bulbs
40 Watt Equivalent, Linkind A19 Dimmable LED Light Bulbs, E26 Base, 2700K Soft White, 5.7W 460 Lumens CRI80+ 120V, UL Listed FCC Certified, Pack of 6 - - Amazon.com