Optical Instruments

It is an instrument that can be used to observe small objects, even cells. This lens bends light toward the eye and makes an object appear larger than it actually is.

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It is an optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused and the resulting image magnified.

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It is a device that is used to project rays of light, especially an apparatus with a system of lenses for projecting slides or film on to a screen.

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It is a device for recording visual images in the form of photographs, film, or video signals.

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It is an old-fashioned word, but it means something you probably see — and maybe even use — every day. People who have defective vision need to see properly.

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He was the one who invented the pinhole camera. Who is he?

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