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We launched in 2010 with $95 prescription glasses with anti-scratch, anti-reflective coatings, lightweight lenses and frames. And to this day, still, we’re selling $95 glasses. Now, we’ve ...
Myopia. Myopia, also known as near-sightedness and short-sightedness, [5] is an eye disease [6][7][8] where light from distant objects focuses in front of, instead of on, the retina. [1][2][7] As a result, distant objects appear blurry while close objects appear normal. [1]
The Photomic series of prisms, which was initially designed with a direct coupled-metering CdS photocell (2 models were produced). The Photomic prism head later evolved to include the Photomic T with TTL in 1965, a behind-the-lens metering prism head which metered an averaging pattern of the focusing screen.
Material dispersion can be a desirable or undesirable effect in optical applications. The dispersion of light by glass prisms is used to construct spectrometers and spectroradiometers. However, in lenses, dispersion causes chromatic aberration, an undesired effect that may degrade images in microscopes, telescopes, and photographic objectives.
Caitlin Clark is the favorite for WNBA Rookie of the Year. 1. Caitlin Clark, Indiana Fever. Stats through 33 games: 18.7 points, 5.6 rebounds, 8.4 assists, 1.4 steals. Breakdown: Clark has been ...
A Senate committee hearing to confirm President Luiz Inacio Lula da Silva's pick to head Brazil's central bank will not happen before the monetary authority's next interest rate-setting meeting ...
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