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Definition
| a viewing instrument that uses 2 lenses to magnify objects many times |
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Definition
| a lens worn over the eye to correct vision problems |
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Term
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Definition
| a lens thicker in the middle that brings light rays together |
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Definition
| a lens that is thicker at the edges that causes light rays to spread apart |
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Term
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Definition
| a device that lets certain colors pass through while absorbing others |
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Term
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Definition
| a viewing instrument that uses electrons instead of light to magnify objects |
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Term
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Definition
| the point at which light passing through a lens comes together |
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Term
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Definition
| a piece of glass that spreads light or brings it together |
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Term
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Definition
| an instrument for viewing distant objects that uses a curved mirror to gather light |
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Term
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Definition
| an instrument that uses 2 lenses to gather light and produce and image |
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Term
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Definition
| an instrument that uses 1 lens to magnify an object |
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Term
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Definition
| lets light through but scatters it |
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Term
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Definition
| lets light through so objects can be seen clearly |
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Term
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Definition
| does not let light through |
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