Select a suitable table lamp from its optical properties

The source of writing Table Lamp generally has three categories: incandescent, halogen and fluorescent. The three types of light sources have advantages and disadvantages, different people may like the color and brightness of different light source and it can be the person who should. In order to keep the most of light projection to the desktop, the writing light source lamp installation position is usually horizontal or down.

When the writing table lamp is in a normal working position, the main optical properties are three points:

Shading: in a normal sitting position, eyes to the horizontal direction, you should not see the inside wall and light of the Lamp Shade.

Desktop illumination requirements: table lamp irradiation of the work area should be ≥ 250lx and Minimum Illumination ≥ 120lx.

Illumination uniformity requirements: make sure the work area under table lamp irradiation, the illumination is relatively uniform, not particularly bright or dark spot.

Only to ensure that these three basic optical performance requirements can it slows the eye fatigue. It can be regarded as a writing table lamp.

You may go to the Wholesale Lamps to find a suitable one.
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