RAV TUX
October 13th, 2007, 06:55 PM
Anybody know where I can get a Pseudoscope(Phantascope) <$998 Anybody build your own?
For the technically minded (http://www.phantascope.co.uk/pages/about_pesu_technical.html)
Pseudoscope gallery (http://www.phantascope.co.uk/pages/gallery/gallery_Pseudoscope.html)
The Pseudoscope is an inviting window into another world. It re-maps space in exciting ways by switching the visual inputs to the brain, right to left, left to right. Early pseudoscopes were prismatic. M.C.Escher used one. His friend, the mathematician Professor Scouten made it using hypotenuse prisms, and presented it to Escher. It was to become one of the important inputs in his work. However, for researchers, prismatic pseudoscopes have three serious limitations. These are a small field of view, lateral inversion, and a weak pseudoscopic effect. This mirror Pseudoscope has a substantially larger field of view, no lateral inversion and a pseudoscopic enhancement factor of 3. This window into another world will reveal quite dramatic contrasts between the familiar and the unfamiliar. Some of the unfamiliar perceptions will have the quality of strangeness, inducing an innocence of vision as the perceptual system comes to terms with this new reading of space. In a real sense pseudoscopic vision fights `normal vision'. It is, after all, a major alteration to the way information is being presented to the brain for processing, and some people, not all, find there is initially at least, a tendency to suppress the extraordinary interpretation of space it reveals. Because of this unfamiliarity, in some instances, the full pseudoscopic experience might take a little time to assert itself. Pseudoscopic Targets, such as those overleaf, are useful for dramatizing the more extraordinary features of pseudoscopic vision.
Whereas stereoscopic depth perception is the result of fusing the different images received by the two eyes, pseudoscopic perception is the result of switching the inputs to the eyes before they are fused, so that:
The right eye receives information normally received by the left eye; the left eye receives information normally received by the right eye;
The pseudoscope does to front and back what a mirror does to left and right. This means that foreground becomes background and visible background becomes foreground, or more simply, background advances, foreground recedes.
Most people's senses have spent many years in cooperative research, forming an important and practical notion of what the world is like. This object overlaps that, therefore it is in front; this object is bigger so probably it is closer etc. etc. The Spell Pseudoscope overturns many of these orthodox perceptions, and re-structures a visual world rich in conjecture and opportunity.
http://www.phantascope.co.uk/pages/about_pesudoscope.html
The Hand-Held Pseudoscope
The Pseudoscope X3
This hand-held Pseudoscope overcomes the limitations of earlier prismatic devices that had:
A limited field of view
Lateral Inversion
A weak pseudoscopic effectIt offers the opportunity for fatigue-free viewing of bizarre and strange spaces, unorthodox structures, odd experiences of movement and extrordinary re-mapping of normal scenes, both inside and outside. It has an enhancement factor of 3. This means that it increases the normal Inter Pupillary Distance (IPD) from approximately 2½"(65mm) to about three times that value, and therefore extends the detection rate of pseudoscopic stimulii in similar proportion. Although it has a standard photograhic bush (¼") which makes it convenient to mount it on a tripod if desired, being hand held, it is easy to use in any context, lecturing or on a walk to discover what visual material is responsive to a pseudoscope.
This hand-held Pseudoscope is constructed of anodised aluminium and all glass components are protected from accidental damage and should be kept clean.
http://www.phantascope.co.uk/pages/about_pesu_handheld.html
How does it work?
The Pseudoscope, or Phantascope as it is also called, offers an extraordinary window into another world. Whereas stereoscopic depth perception is the result of fusing the different images received by the two eyes, pseudoscopic perception is the result of switching the inputs to the eyes before they are fused, so that the right eye receives information normally received by the left eye, and the left eye receives information normally received by the right eye.
The pseudoscope does to front and back what a mirror does to left and right. This means that foreground becomes background and visible background becomes foreground, or more simply, background advances, foreground recedes.
So when you view objects with this scope, the convex becomes concave. So a brick lying on the ground appears to be a brick-shaped hole sunk into the ground. A tree turns inside out as it were - it's front branches appear at the back, whilst the back branches come out in front, hanging or suspended in mid-air as their support is eclipsed by branches in front.
The scope will suggest to the viewer that a person's face is hollow or concave but your brain refuses to accept such nonsense and so peoples' heads merely appear odd or uncomfortable to look at. It is best then to choose to look at a landscape or tree or anything which may suggest ambiguous perspective.
Most people's senses have spent many years in cooperative research, forming an important and practical notion of what the world is like. This object overlaps that one, therefore it is in front; this object is bigger so probably it is closer, etc. The Pseudoscope overturns many of these orthodox perceptions, and re-structures a visual world rich in conjecture and opportunity.
Technical Information
Early pseudoscopes were prismatic. M.C. Escher used one, and it became one of the most important inputs in his work. However prismatic pseudoscopes have three limitations; these are a small field of view, lateral inversion, and a weak pseudoscopic effect. This mirror pseudoscope has a substantially larger field of view, no lateral inversion, and a pseudoscopic enhancement factor of 3.
http://www.grand-illusions.com/acatalog/info_49.html
For the technically minded (http://www.phantascope.co.uk/pages/about_pesu_technical.html)
Pseudoscope gallery (http://www.phantascope.co.uk/pages/gallery/gallery_Pseudoscope.html)
The Pseudoscope is an inviting window into another world. It re-maps space in exciting ways by switching the visual inputs to the brain, right to left, left to right. Early pseudoscopes were prismatic. M.C.Escher used one. His friend, the mathematician Professor Scouten made it using hypotenuse prisms, and presented it to Escher. It was to become one of the important inputs in his work. However, for researchers, prismatic pseudoscopes have three serious limitations. These are a small field of view, lateral inversion, and a weak pseudoscopic effect. This mirror Pseudoscope has a substantially larger field of view, no lateral inversion and a pseudoscopic enhancement factor of 3. This window into another world will reveal quite dramatic contrasts between the familiar and the unfamiliar. Some of the unfamiliar perceptions will have the quality of strangeness, inducing an innocence of vision as the perceptual system comes to terms with this new reading of space. In a real sense pseudoscopic vision fights `normal vision'. It is, after all, a major alteration to the way information is being presented to the brain for processing, and some people, not all, find there is initially at least, a tendency to suppress the extraordinary interpretation of space it reveals. Because of this unfamiliarity, in some instances, the full pseudoscopic experience might take a little time to assert itself. Pseudoscopic Targets, such as those overleaf, are useful for dramatizing the more extraordinary features of pseudoscopic vision.
Whereas stereoscopic depth perception is the result of fusing the different images received by the two eyes, pseudoscopic perception is the result of switching the inputs to the eyes before they are fused, so that:
The right eye receives information normally received by the left eye; the left eye receives information normally received by the right eye;
The pseudoscope does to front and back what a mirror does to left and right. This means that foreground becomes background and visible background becomes foreground, or more simply, background advances, foreground recedes.
Most people's senses have spent many years in cooperative research, forming an important and practical notion of what the world is like. This object overlaps that, therefore it is in front; this object is bigger so probably it is closer etc. etc. The Spell Pseudoscope overturns many of these orthodox perceptions, and re-structures a visual world rich in conjecture and opportunity.
http://www.phantascope.co.uk/pages/about_pesudoscope.html
The Hand-Held Pseudoscope
The Pseudoscope X3
This hand-held Pseudoscope overcomes the limitations of earlier prismatic devices that had:
A limited field of view
Lateral Inversion
A weak pseudoscopic effectIt offers the opportunity for fatigue-free viewing of bizarre and strange spaces, unorthodox structures, odd experiences of movement and extrordinary re-mapping of normal scenes, both inside and outside. It has an enhancement factor of 3. This means that it increases the normal Inter Pupillary Distance (IPD) from approximately 2½"(65mm) to about three times that value, and therefore extends the detection rate of pseudoscopic stimulii in similar proportion. Although it has a standard photograhic bush (¼") which makes it convenient to mount it on a tripod if desired, being hand held, it is easy to use in any context, lecturing or on a walk to discover what visual material is responsive to a pseudoscope.
This hand-held Pseudoscope is constructed of anodised aluminium and all glass components are protected from accidental damage and should be kept clean.
http://www.phantascope.co.uk/pages/about_pesu_handheld.html
How does it work?
The Pseudoscope, or Phantascope as it is also called, offers an extraordinary window into another world. Whereas stereoscopic depth perception is the result of fusing the different images received by the two eyes, pseudoscopic perception is the result of switching the inputs to the eyes before they are fused, so that the right eye receives information normally received by the left eye, and the left eye receives information normally received by the right eye.
The pseudoscope does to front and back what a mirror does to left and right. This means that foreground becomes background and visible background becomes foreground, or more simply, background advances, foreground recedes.
So when you view objects with this scope, the convex becomes concave. So a brick lying on the ground appears to be a brick-shaped hole sunk into the ground. A tree turns inside out as it were - it's front branches appear at the back, whilst the back branches come out in front, hanging or suspended in mid-air as their support is eclipsed by branches in front.
The scope will suggest to the viewer that a person's face is hollow or concave but your brain refuses to accept such nonsense and so peoples' heads merely appear odd or uncomfortable to look at. It is best then to choose to look at a landscape or tree or anything which may suggest ambiguous perspective.
Most people's senses have spent many years in cooperative research, forming an important and practical notion of what the world is like. This object overlaps that one, therefore it is in front; this object is bigger so probably it is closer, etc. The Pseudoscope overturns many of these orthodox perceptions, and re-structures a visual world rich in conjecture and opportunity.
Technical Information
Early pseudoscopes were prismatic. M.C. Escher used one, and it became one of the most important inputs in his work. However prismatic pseudoscopes have three limitations; these are a small field of view, lateral inversion, and a weak pseudoscopic effect. This mirror pseudoscope has a substantially larger field of view, no lateral inversion, and a pseudoscopic enhancement factor of 3.
http://www.grand-illusions.com/acatalog/info_49.html