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In optics, chromatic aberration ( CA ), also called chromatic distortion and spherochromatism, is a failure of a lens to focus all colors to the same point. [1] It is caused by dispersion: the refractive index of the lens elements varies with the wavelength of light. The refractive index of most transparent materials decreases with increasing wavelength. [2] Since the focal length of a lens ...
Chameleon vision. The chameleon is among the most highly visually-oriented lizards, using this sense in prey capture, mating behavior, and predator avoidance. [1] Unique features of chameleon vision include a negative lens, a positive cornea, and monocular focusing. The development of the chameleon visual system could have evolved to aid in ...
Cross-section of a first-generation Fresnel lighthouse lens, with sloping mirrors m, n above and below the refractive panel RC (with central segment A ). The design was later improved by replacing the mirrors with reflective prisms to reduce losses. If the cross-section in every vertical plane through the lamp L is the same (cylindrical symmetry), the light is spread evenly around the horizon.
Suppression of an eye is a subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia. The brain can eliminate double vision by ignoring all or part of the image of one of the eyes. The area of a person's visual field that is suppressed is called the suppression scotoma (with a scotoma ...
Does It Look Like I'm Here? contains the same new age, krautrock and kosmische styles that were a part of their previous albums. [9] However, in the words of journalist Derek Miller, it is much more "sharp", concise and pop music -influenced than their previous works. [9] In categorising the album's overall style, critic Rick Anderson of Allmusic labeled it a "slightly uneasy borderland ...
Lenticular printing is a multi-step process consisting of creating a lenticular image from at least two existing images, and combining it with a lenticular lens. This process can be used to create various frames of animation (for a motion effect), offsetting the various layers at different increments (for a 3D effect), or simply to show a set of alternate images which may appear to transform ...