Across
- 1. device used to form magnified images of distant objects.
- 3. an instrument used to probe a property of light as a function of its portion of the electromagnetic spectrum.
- 4. an optical instrument with a lens for each eye, used for viewing distant objects.
- 6. projector a device that projects an enlarged image of a transparency placed on it onto a wall or screen by means of an overhead mirror.
- 8. glass a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle.
- 9. an apparatus consisting of a tube attached to a set of mirrors or prisms, by which an observer (typically in a submerged submarine or behind a high obstacle) can see things that are otherwise out of sight.
- 10. microscope also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects.
Down
- 2. a device for recording visual images in the form of photographs, film, or video signals.
- 5. investigative tools used in many fields of science and engineering.
- 7. an illuminated optical, typically slender and tubular instrument (a type of borescope) used to look deep into the body by way of openings.