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Behind the Lens by Jay Holben

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4.5Adventures in Lighting: Fixture Types 101, Part I—Through the Eye of the Fresnel

The sea of lighting hardware can be confusing water to navigate. There are so many different options, so many different types of fixtures, qualities of light, and methods of creating light. How do you know which is the right one to use?

fig4_5_1

A Fresnel lens.

To help a bit in understanding the different types of fixtures and their applications, I’m going to discuss one specifically, identified by the type of lens it uses: the Fresnel.

In a fixture without any lens, commonly called “open face,” the light emitted spreads out in all directions, more or less evenly, from ...

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