SOLUTION: Suppose that the lens on your camera is positioned .85 inches from the film, and that the lens can focus on an object 10 feet away. What is the focal length of the lens? f= focal

Algebra ->  Rational-functions -> SOLUTION: Suppose that the lens on your camera is positioned .85 inches from the film, and that the lens can focus on an object 10 feet away. What is the focal length of the lens? f= focal      Log On


   



Question 1059771: Suppose that the lens on your camera is positioned .85 inches from the film, and that the lens can focus on an object 10 feet away. What is the focal length of the lens?
f= focal length
p= distance from the lens to the object
q= distance from lens to the film
1/f=1/p+1/q

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