Mathalicious: Sharper Image

Should you buy a camera lens with vibration reduction?

It can be incredibly frustrating to snap what you think is a great picture, only to have it come out blurry. Of course it helps to have a steady hand, but there’s electronic help available if you’re willing to cough up some extra cash for a lens with vibration reduction.

In this lesson, students interpret graphs and use right triangle trigonometry to explore the relationship between focal length, viewing angle, and blurriness. In the end, they figure out when vibration reduction might help them take clearer pictures, and when it might not be worth the cost.


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Math Topics
High School
9th Grade, 10th Grade, 11th Grade, 12th Grade

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