Direct lighting damage a big picture tells you what is indirect lighting

Indirect lighting can effectively reduce the direct glare (light directly into the eyes) and indirect glare (from the screen or glass reflection of the light), but because of the high cost, the need for more light bulbs and maintain the brightness.

Direct lighting save money and efficiency, but if the use of direct lighting, must be careful not to let the light projection angle is too large (Figure 2), select the projection angle smaller (Figure 3), or anti dazzle lamps often use the office partition will save money and the choice of eye.

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