| A | B |
|---|
| microscope | magn. small, close objects |
| compound light microscope | Eyep. and object. convex lens |
| telescope | magnifies distant objects |
| refracting microscope | 2 convex lens collect rays distant |
| binoculars | 2 refract. telesc. side by side |
| reflecting microscope | concave m/plane m/convex lens |
| camara similar to an eye | opening/convex /light detector |
| focussing | change dist. objective/eyepiece |
| laser light | has just one wavelenght |
| energy in laser light | large energy used in surgery |
| optical fibre | thin transp. tube transmit laser |
| in an optical fibre | laser enters one side, leaves |
| reflection in laser optical fibre | total internal reflection |
| use optical fibres | sound, movie, Internet signals |
| camera | design similar to the eye |
| focus | make clear image adjust. distan |
| microscope use to magnify | 2 convex lenses |
| microscope and telescope | 2 lens,light thr.convex eyepiece |
