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The figure seen through or imaged by an optical system. It...
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In holography, the wave of light that illuminates the...
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The movement of an object seen through a refracting prism...
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The distance between the object and the cornea, or the...
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In an optical system, the space between the object being...
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Distance between the front vertex of a lens and the...
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The optical element that receives light from the object and...
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A coarse diffraction grating that is used to form a scale...
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1. A prism used in some instruments to bend light 90°...
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The image error that results from astigmatism, coma,...
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Illumination by light that is at an oblique angle to the...
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A type of aberration in which a symmetrical light patch is...
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A hemispherical covering that is rotatable about a central...
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An acid-resistant, lustrous volcanic glass, usually black...
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A device that completely or partially restricts the amount...
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Refers to the characteristic hue of the ocean according to...
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The interval between two points, where the frequency at the...
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The variation of the total refracting power of the human...
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The eye's involuntary reaction in the process of...
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The prism used in a rangefinder to bend the lines of sight...
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That surface of a lens located nearest to the...
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An electro-optical infrared tracker consisting of a...
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A prism or prism assembly that serves to displace the...
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The electrical resistance between two points of a conductor...
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A form of high-power microscope objective where the space...
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A polished plano-parallel plate that is contacted to an...
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A glow discharge tube placed on an insulating rod to detect...
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An instrument for measuring...
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A measure of a material's inability to transmit light,...
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A material consisting of very small colorless particles...
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A tungsten filament lamp that uses an opal glass bulb to...
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A term describing a substance that is impervious to light;...
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A projector used to project an image of an opaque object,...
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A bubble at a polished surface that has been opened by...
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An interface in an optical network that permits an optical...