P5h: Optics
Projecting an image onto a screen is a large industry and involves big money; especially if it’s you they are projecting. The cameras used to film the movies use a complex arrangement of lenses to zoom in and focus on the actors, and the images they form are real but inverted.
On a more modest theme many people would struggle with day-to-day life or be unable to read clearly without spectacles. This item takes a look at the many uses of optical devices.
- Created by: livgrocott987
- Created on: 20-01-15 18:29
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