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Reflex finder

Index Reflex finder

A reflex finder is a viewfinder system with a mirror placed behind a lens. [1]

7 relations: Autofocus, Focusing screen, Ground glass, Lens (optics), Single-lens reflex camera, Twin-lens reflex camera, Viewfinder.

Autofocus

An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area.

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Focusing screen

A focusing screen is a flat translucent material, either a ground glass or fresnel lens, found in a system camera that allows the user of the camera to preview the framed image in a viewfinder.

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Ground glass

Ground glass is glass whose surface has been ground to produce a flat but rough (matte) finish.

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Lens (optics)

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.

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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.

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Twin-lens reflex camera

A twin-lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length.

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Viewfinder

In photography, a viewfinder is what the photographer looks through to compose, and, in many cases, to focus the picture.

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References

[1] https://en.wikipedia.org/wiki/Reflex_finder

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