If a stand magnifier has a lateral magnification of 5 and an RDM of 2, what is the total magnification MT?

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Prepare for the NBEO Physiological Optics Test with flashcards and multiple choice questions, each offering hints and explanations. Equip yourself for your exam!

Multiple Choice

If a stand magnifier has a lateral magnification of 5 and an RDM of 2, what is the total magnification MT?

Explanation:
Total magnification is found by multiplying the separate magnification contributions. A stand magnifier provides lateral magnification from the lens and additional angular magnification from how you view the object at a given working distance (RDM). Multiply these effects: 5 × 2 = 10. Therefore, the total magnification is 10×. Magnification factors combine multiplicatively, not additively, when they come from independent sources of magnification.

Total magnification is found by multiplying the separate magnification contributions. A stand magnifier provides lateral magnification from the lens and additional angular magnification from how you view the object at a given working distance (RDM). Multiply these effects: 5 × 2 = 10. Therefore, the total magnification is 10×. Magnification factors combine multiplicatively, not additively, when they come from independent sources of magnification.

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