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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
one year 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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