Wide and focused light

When choosing your bulb you should always keep in mind the width of the area you want to illuminate. This guide shows how the shape of a light bulb determines the width of the light beam. Spotlights and standard lamps can achieve a different distribution of light which is either wide or focused.

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.

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Color Temperature

See how color temperature determines if a bulb produces warm or cool light.

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Color Rendering Index

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