这种轻触型工具播放的近距离图像是在0.4英寸的微小型显示器上反射的激光形成的，使用全息摄影术以保持图画尽管在投影尖角上依然聚焦。

The Light Touch casts a big image from up close by bouncing lasers off a 0.4-inch microdisplay, using techniques from holography to keep the picture in focus despite the sharp projection angle.

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由于色散的增加，等分角效应对于投影系统比对于直视型显示器更为合适。

Owing to the increased color dispersion, this bisector effect is more suitable for projection systems than for direct-view displays.

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