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Matched convex/concave lens set will enhance understanding of refraction. Two matched lenses, one concave and one convex, when placed together, result in no magnification at all - like flat glass. Let students independently find the focal lengths of each lens and predict what will happen when they are combined. Focal length +/- 150mm, 38mm diameter, made of glass. Lens/Mirror holders not included.
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🇺🇸 Ship from USA · On Agora since 2025
$5.95