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Define equivalent lens. Write expression (only) for achromatice combination

Define equivalent lens. Write expression (only) for achromatice combination

Grade:upto college level

1 Answers

Vikas TU
14149 Points
3 years ago
The concept of 'equivalent lens' occurs when comparing the images taken by cameras with different sized sensors. For the same angle of view, a camera with a smaller sensor will need a lens with a shorter focal length. In normal marketing language, two cameras that have the same angle of view have 'equivalent' lenses.

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