a b c d "Brewster Society – Kaleidoscope U – Kaleidoscopes Periods & Styles". Archived from the original on 1 June 2016.

Mullin, Janet E. "'We Had Carding': Hospitable Card Play and Polite Domestic Sociability Among The Middling Sort In Eighteenth-Century England." Journal of Social History. Vol. 42, Issue 4. pp. 989-1008. Summer 2009. By simply changing the way your eyes interpret light and objects, you will change your entire perception of reality. Wade, Nicholas J. "Philosophical Instruments and Toys: Optical Devices Extending the Art of Seeing." Journal of the History of the Neurosciences, Vol. 13, No. 1, March, 2004, pp. 102-124.

What does it produce?

This prismatic filter has so much breadth that we had to triple the amount of sample pics we show you! We've talked about TheBuffNerds host Jakob Owens and his team over at PrismLensFX who make these awesome, built-in lens effects filters. In fact, this is the third time we've covered his products and we're gonna keep covering them because they're so friggin' dope. Once the nine images or videos are recorded, the user can transfer them to the computer, where the real magic happens. Bundled with the K|Lens One is K|Lens’ in-house software, “SeeDeep”, which calculates the depth in space of every single pixel in every shot, and makes that information available in post-processing as depth maps, depth channels and/or point clouds – and it can then be processed in all standard post-processing programs. Fill the object holder and attach it to one end of the container. The items should be able to move in the object holder. You may need rubber bands, tape or glue to secure it.

Eyeglasses. If you are experiencing an altered aura like kaleidoscope vision because of visual misalignment, wearing eyeglasses to correct your vision can help The K|Lens One, which the Germany-based start-up is designing and producing in cooperation with Carl Zeiss Jena GmbH in Germany, will be delivered to customers by summer 2022. Available in [1/2 Strength] 58mm, 67mm, 77mm, 82mm & 95mm Rotating Filter and 4x5.65 Matte Box Filter. Available in [1/4 Strength] 77mm and 82mm ONLY.

Sanchez, Aurelio. "Color and magic come together in kaleidoscopes." Albuquerque Journal, May 14, 2006. (Jan. 11, 2012) http://www.abqjournal.com/venue/459960venue05-14-06.htm

A diagram that shows the path of light as it passes from the front of the lens through the mirror tunnel Mirror configurations within the kaleidoscope will help determine what pattern you see when you look through the eye-hole. Two- and three-mirror constructions (making the vee or triangle described previously) are most common. However, kaleidoscope innovators may use tapered mirrors instead of rectangular ones, or a greater number of mirrors aligned in untraditional ways, in pursuit of even more intricate designs. For example, they may be 3-D or umbrella-shaped. The kaleidoscopic view presented by the K-Lens records a grid of nine images in different orientations and from slightly different perspectives, all recorded on a single frame In 1816, Scotsman Dr. David Brewster was the first to arrange mirrors and objects in a tube and call it a kaleidoscope. Not just a toy, the device also was intended for use by designers and artists, who might be inspired by the beautiful patterns they could create. Brewster patented his invention in 1817. Object holders can be several different designs. Most common are cells -- thin, round boxes or chambers that have enough room for the items to move. Sometimes the objects are suspended in a liquid, but cells are also frequently dry. Object holders even may be tube-shaped. Some cells are built into the kaleidoscope body; others are attached to the outside or slipped through the side. Some are even interchangeable, or they open, allowing the user to add different objects. All of these must be made of a transparent material, like glass or plastic, so that users can view the items inside. There must be some source of light to illuminate the objects; often sunlight or lamplight behind the object holder is enough, but sometimes a light is built into the device.Brown, Bill. "Object Relations in an Expanded Field." differences. Vol. 17, No. 3. pp. 88-106. 2006. Bush, Charles. "Improvement to Kaleidoscopes." September 30, 1873. (July 28, 2011) http://www.brewstersociety.com/bush_patent.pdf Variations [ edit ] Polyangular Kaleidoscope of R.B. Bate (with adjustable reflector angles), as illustrated in Treatise on the Kaleidoscope (1819) General variations [ edit ] A retinal migraine is a migraine with aura characterized by temporary vision loss or peripheral vision loss. You will experience visual symptoms first, followed by a headache within the hour. 4