万花筒

展品说明：

展示平面镜反射成像原理，两个正三角形镜组多次反射，出现多个对称的图案。

Exhibit Explanation：

The exhibit presents the catoptric imaging principle of plane mirrors, two regular triangle lens units make multiple reflection, forming multiple symmetrical patterns.

操作方法：

1、参与者站在万花筒一端；

2、旋转把手转动筒内镜组；

3、参与者观察对面另一参与者或景象的变化。

Operating Instruction:

1. Stand at one end of the kaleidoscope;

2. Revolve handles to rotate lens set inside;

3. Observes changes of the other participant or scenes on the opposite side.