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Measuring magnification

Question asked by hellogreen on Nov 26, 2008
How to Measure magnification
How can I see how strong a magnifying glass is?

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.