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  2. List of telescope parts and construction - Wikipedia

    en.wikipedia.org/wiki/List_of_telescope_parts...

    Optics. Mirrors and lenses are the critical light-bending components of a telescope. Objective: The first lens or curved mirror that collects and focuses the incoming light. Primary lens: The objective of a refracting telescope. Primary mirror: The objective of a reflecting telescope. Corrector plate: A full aperture negative lens placed before ...

  3. Camera lens - Wikipedia

    en.wikipedia.org/wiki/Camera_lens

    A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically . There is no major difference in principle ...

  4. Science of photography - Wikipedia

    en.wikipedia.org/wiki/Science_of_photography

    Science of photography. The science of photography is the use of chemistry and physics in all aspects of photography. This applies to the camera, its lenses, physical operation of the camera, electronic camera internals, and the process of developing film in order to take and develop pictures properly. [1]

  5. Camera - Wikipedia

    en.wikipedia.org/wiki/Camera

    Camera. Leica Camera (1950s) Hasselblad 500 C/M with Zeiss lens. A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light-sensitive material such as photographic film. As a pivotal technology in the fields of photography and videography, cameras have played ...

  6. List of camera types - Wikipedia

    en.wikipedia.org/wiki/List_of_camera_types

    Magnetic resonance imaging which produce images showing, internal structure of different parts of a patient's body. Rangefinder camera which produce images of the distance to each point in the scene. Ultrasonography uses ultrasonic cameras that produce images of the absorption of ultra-sonic energy.

  7. Single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Single-lens_reflex_camera

    A single-lens reflex camera ( SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured. With twin lens reflex and rangefinder cameras, the viewed image could be significantly different from the final ...

  8. Point-and-shoot camera - Wikipedia

    en.wikipedia.org/wiki/Point-and-shoot_camera

    A point-and-shoot digital camera with optical viewfinder made by Canon, specifically the IXUS 850 IS, early 2010s. A point-and-shoot film camera made by Yashica with a Tessar lens, early 1990s. A point-and-shoot camera, also known as a compact camera and sometimes abbreviated to P&S, is a still camera (either film or digital) designed primarily ...

  9. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens ( prime lens ). A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its focal length changes. [1] Most consumer zoom lenses do not maintain ...