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Viewfinder started off as an experiment by indie game developer Matt Stark around November 2019. Stark posted a video to social media showing the ability to dynamically take a photograph in a game world and then place that photo to overwrite the world with the contents of the photo.
In addition to the objective, the viewfinder consists of a 45-degree mirror (the reason for the word reflex in the name), a matte focusing screen at the top of the camera, and a pop-up hood surrounding it. The two objectives are connected, so that the focus shown on the focusing screen will be exactly the same as on the film.
A reflex finder is a viewfinder system with a mirror placed behind a lens. The light passing through the lens is reflected by the mirror to a focusing screen , usually ground glass . The image formed on this ground glass can be observed directly, giving a waist-level reflex finder, or through a redressing optical device (set of mirrors or prism ...
The viewfinder thus acts as a kind of lens filter. [1] [2] [3] The most popular method involves using a digital camera as the image taking camera and an intact twin-lens reflex camera (TLR) or pseudo-TLR as the "viewfinder" camera. [4] TLRs typically have square waist-level viewfinders, with the viewfinder plane at 90 degrees to the image plane ...
In photography, a viewfinder is a device on a camera that a photographer uses to determine exactly where the camera is pointed, and approximately how much of that view will be photographed. A viewfinder can be mechanical (indicating only direction and approximate view), with simple optical components, with precision optics and optical functions ...
Camera lucida in use. A camera lucida is an optical device used as a drawing aid by artists and microscopists.It projects an optical superimposition of the subject being viewed onto the surface upon which the artist is drawing.
A director's viewfinder or director's finder is a viewfinder used by film directors and cinematographers to set the framing of a motion picture or movie camera. There ...
Compared with some low-cost cameras that provide an optical viewfinder that uses a small auxiliary lens, the DSLR design has the advantage of being parallax-free: it never provides an off-axis view. A disadvantage of the DSLR optical viewfinder system is that when it is used, it prevents using the LCD for viewing and composing the picture.