Discovering the True Magnification of Your Magnifying Glass: Tips and Tricks

AI Thread Summary
To determine the true magnification of a magnifying glass, one can measure the focal length and use the formula for magnification, which is the ratio of the image distance to the object distance. Users often notice varying strengths among different magnifying glasses, prompting the need for accurate measurement methods. The magnification rating provided by manufacturers typically stems from standardized testing procedures. Resources like HyperPhysics can offer additional insights into the physics behind magnification. Understanding these principles allows for a more accurate assessment of a magnifying glass's strength.
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How to Measure magnification
How can I see how strong a magnifying glass is?


I hear a lot of people talk about

magnifying and how strong the magnification is, but I would like to know the true

magnification of my magnifying glass. I have a few of them and some seem stronger then

others. How can I rate these? How can I pin a correct number on mine? How do the companies

that make these come up with these numbers.
 
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