The answer to “A stamp collector uses a magnifying lens that sits 2.0 cm above the stamp. The magnification is 4.0. What is the focal length of the lens?” is broken down into a number of easy to follow steps, and 26 words. Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) was written by Patricia and is associated to the ISBN: 9780134081496. Since the solution to 34.26 from 34 chapter was answered, more than 226 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 34.26 from chapter: 34 was answered by Patricia, our top Physics solution expert on 12/28/17, 08:06PM. This textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36), edition: 4. This full solution covers the following key subjects: . This expansive textbook survival guide covers 42 chapters, and 4463 solutions.