Lab 10

(cm) (cm) 30 10 15.5 2 1.1 2.5 20 10 21 2 2.1 1.05 15 10 32 2 4.4 2.2 40 20 38 2 2 1 30 20 58.5 2 4 2 Experiment 4 Eye Lens Vision Type Corrective Lens 1 Normal None 2 Near 5 3 Far 4 Experiment 5 A) What was your far-point? - 28 cm B) In your own words, how does setting the focal length of a divergent lens to the far-point allow a near-sighted individual to see far-away objects? - The divergent lens produces and image closer to the eye than the physical object. C) What is your near point? - 2 cm D) When looking through the convex lens - What was the farthest distance you could bring into focus? o 9 cm - What was the nearest distance you could bring into focus? o 2 cm