Color Rendering Index

The sun is the most natural light we have and therefore is the standard of comparison for any other light source. This guide shows how important a high CRI is and that you'll be safe with any Philips light bulb.

Related How Tos

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Base type

Learn about the differences between base types and how to pick the right one for your light fixture.

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Amount of Light

See how lumen indicates the amount of light that a bulb produces.

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Watt and lumen

Learn more about the difference between watt and lumen and what it says about a bulb.

Wiki

Wide and focused light

See how the shape of a bulb has a big impact on the light effect it delivers.

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Color Rendering Index

See how a high color rendering index makes colors appear natural.