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The most famous example is the Rapid Rectilinear Lens developed by John Henry Dallmeyer in 1866. It allowed distortionless photos to be taken quickly for the first time, and was a standard lens design for 60 years. [1]: 59 As of 2020, the Laowa 9mm f/5.6 lens is the world's widest rectilinear lens for full frame cameras.
A wide range of research methods are used in psychology. These methods vary by the sources from which information is obtained, how that information is sampled, and the types of instruments that are used in data collection. Methods also vary by whether they collect qualitative data, quantitative data or both.
The Müller-Lyer effect in a non-illusion. One possible explanation, given by Richard Gregory, [14] is that the Müller-Lyer illusion occurs because the visual system learns that the "angles in" configuration corresponds to a rectilinear object, such as the convex corner of a room, which is closer, and the "angles out" configuration corresponds to an object which is far away, such as the ...
The Rapid Rectilinear also named Aplanat is a famous photographic lens design. The Rapid Rectilinear is a lens that is symmetrical about its aperture stop with four elements in two groups. It was introduced by John Henry Dallmeyer in 1866. The symmetry of the design greatly reduces radial distortion, improving on the Petzval lens. Aplanat ...
A shape is a two-dimensional design encased by lines to signify its height and width structure, and can have different values of color used within it to make it appear three-dimensional. [2] [4] In animation, shapes are used to give a character a distinct personality and features, with the animator manipulating the shapes to provide new life. [1]
Linear motion, also called rectilinear motion, [1] is one-dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension. The linear motion can be of two types: uniform linear motion , with constant velocity (zero acceleration ); and non-uniform linear motion , with variable velocity ...
Natural design is design-without-a-designer, in the same sense that natural selection is selection-without-a-selector. Design is a term we use to refer to a matching of form and function, and we can recognize the presence of design independently of the cause of that design:
The Design of Everyday Things is a best-selling [1] book by cognitive scientist and usability engineer Donald Norman. Originally published in 1988 with the title The Psychology of Everyday Things , it is often referred to by the initialisms POET and DOET .