What is the nearest object that can be imaged

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An imaging device has an autofocus feature that automatically moves a thin lens back and forth so that the distance between it and an image sensor varies. The lens has a 32 mm focal length. If the lens can vary its distance to the image sensor from 64 mm to 121.8 mm, what is the nearest object that can be imaged by the device? Give your answer in mm. Be precise to three significant figures.

Reference no: EM132591677

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