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Prentice's rule is a formula to calculate the amount of prism correction in a lens based on decentration and lens power. It can be used for prescribing, tolerance control, or determining unprescribed prism in eyeglasses.
A three-CCD camera is a camera with three separate CCDs, each receiving filtered red, green, or blue light. Learn how this system provides superior image quality and low-light performance compared to single-CCD cameras.
Learn about the science and history of taking pictures of very fast phenomena, such as explosions, bullets, and horses. Explore the different types and applications of high-speed cameras, from intermittent to raster, and the techniques of stroboscopy and laser.
iPhone 8 is a smartphone and phablet released by Apple in 2017. It has a glass body, wireless charging, a 4.7-inch or 5.5-inch display, and a 12 MP or 12 MP camera with optical zoom.
An Uppendahl prism [1] is an erecting prism, i.e. a special reflection prism that is used to invert an image (rotation by 180°). The erecting system consists of three partial prisms made of optical glass with a high refractive index cemented together to form a symmetric assembly and is [2] used in microscopy as well as in binoculars technology.
Pair Eyewear lets you change your glasses by snapping on different magnetic tops. You can choose from dozens of styles, colors and themes, and save 15 percent with promo code YAHOO15.
The Canon New F-1 is a manual-exposure 35mm SLR camera with FD-mount lenses, introduced in 1981. It has interchangeable viewfinders, focusing screens, motor drives, and backs, and can use Canon A and T Speedlights.
A Bayer filter is a color filter array (CFA) that arranges RGB color filters on a square grid of photosensors. It is used in most single-chip digital image sensors to create a color image, and requires demosaicing algorithms to interpolate missing color information.