Converting lumens to millicandelas is essential for understanding the luminous intensity of light sources, particularly LEDs. Lumens measure the total visible light emitted, while millicandelas quantify the light's intensity in a specific direction. To perform this conversion, you need the luminous flux in lumens and the apex angle of the light beam in degrees. The formula is:
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Where Φv\Phi_v is the luminous flux in lumens, θ\theta is the apex angle in degrees, and Iv\text{I}_v is the resulting luminous intensity in millicandelas. This calculation is crucial for applications requiring precise control of light direction and intensity, such as in LED lighting design. For convenience, online calculators are available to automate this process. citeturn0search0
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