Break time﹕Camera and photograph
【明報專訊】Down
1. The first commercial _ _ _ _ _ _ _ (數碼化的) camera was introduced to the consumer market in 1975.
2. The classic cameras capture images on plastic _ _ _ _ _ (底片) coated with chemical powders. When exposed to light, the powder changes colours and becomes settled after further chemical treatments.
4. In Japan, _ _ _ _ _ _ _ (快門) sounds of the cameras on mobile phones cannot be muted to prevent unauthorised or harassing photo taking.
Across
3. A convex lens (凸透鏡) was used to refract (折射) the light onto the photosensitive area inside the camera. Lenses of different thicknesses or curvatures allow people to capture images of various _ _ _ _ _ _ _ _ _ _ _ _ _ _ (放大倍率).
(Answers on next text)
■Glossary
expose (v) 暴露
settled (adj) 穩定下來的
harassing (adj) 滋擾的
curvature (n) 弧度
[Smarties' Power English 第214期]
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