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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.
To investigate the similarity between radio waves and light waves, these researchers concentrated on producing short wavelength high-frequency waves with which they could duplicate classic optics experiments with radio waves, using quasioptical components such as prisms and lenses made of paraffin wax, sulfur, and pitch and wire diffraction ...
Vitaly Abalakov (1906–1986), Russia – camming devices, Abalakov thread (or V-thread), gearless ice climbing anchor; Ernst Karl Abbe (1840–1905), Germany – Condenser (microscope), apochromatic lens, refractometer
During this period he investigated the refraction of light, demonstrating that the multicoloured image produced by a prism, which he named a spectrum, could be recomposed into white light by a lens and a second prism. [63] Modern scholarship has revealed that Newton's analysis and resynthesis of white light owes a debt to corpuscular alchemy. [64]
Paolo Venini (1895–1959), one of the leading figures in the production of Murano glass and an important contributor to 20th century Italian design. Lella and Massimo Vignelli (1934–2016 and 1934–2014 respectively), architects and designers known for packaging, houseware, furniture, public signage, and showroom design.
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