Orthoscopy used in optics and vision for the condition of normal, distortion-free view, from ''"ortho",'' straight, right, correct, and ''"scope"'', seeing.
Abbe in 1880 designed an ''orthoscopic''
eyepiece
An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as Optical telescope, telescopes and microscopes. It is named because it is usually the lens that is closest to the eye when someone looks thro ...
for stereoscopic microscopes which minimized distortion. The term was also used in
stereoscopy
Stereoscopy, also called stereoscopics or stereo imaging, is a technique for creating or enhancing the depth perception, illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any ster ...
by Heine
for the condition when the perceived depth in a
stereogram
Stereoscopy, also called stereoscopics or stereo imaging, is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any stereoscopic image is ...
is the same as that in the actual view of the scene. Such a perceptual report by an observer must be distinguished from what
Moritz von Rohr
Moritz von Rohr (4 April 1868 – 20 June 1940) was an optical scientist at Carl Zeiss in Jena, Germany.
A street in Jena is named after him: Moritz-von-Rohr-Straße, near Carl-Zeiss-Promenade and Otto-Schott-Straße.
Life
Moritz von Ro ...
called ''homeomorphic view,'' in which the depth in a stereoscopic 3D reconstruction is merely geometrically true, see
Stereoscopic Depth Rendition. The difference between '' homeomorphic'' and ''orthoscopic'' is typical of the divide in
psychophysics
Psychophysics is the field of psychology which quantitatively investigates the relationship between physical stimulus (physiology), stimuli and the sensation (psychology), sensations and perceptions they produce. Psychophysics has been described ...
between the world of physical stimuli and the world of subjects' percepts, see
Gustav Fechner
Gustav Theodor Fechner (; ; 19 April 1801 – 18 November 1887) was a German physicist, philosopher, and experimental psychologist. A pioneer in experimental psychology and founder of psychophysics (techniques for measuring the mind), he inspi ...
.
References
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Stereoscopy