Learn about the differences between base types and how to pick the right one for your light fixture.
Amount of Light
See how lumen indicates the amount of light that a bulb produces.
Watt and lumen
Learn more about the difference between watt and lumen and what it says about a bulb.
Wide and focused light
See how the shape of a bulb has a big impact on the light effect it delivers.
Color Rendering Index
See how a high color rendering index makes colors appear natural.