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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. The later center-area reading Photomic Tn, concentrated 60% of its sensitivity in the central portion of the focusing screen and the remaining 40% for the outlying ...
8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that may ...
As a proof of the concept, he constructed a telescope using reflective mirrors instead of lenses as the objective to bypass that problem. [ 66 ] [ 67 ] Building the design, the first known functional reflecting telescope, today known as a Newtonian telescope , [ 67 ] involved solving the problem of a suitable mirror material and shaping technique.
California Gov. Gavin Newsom on the first night of the Democratic National Convention in Chicago on Aug. 19. California Gov. Gavin Newsom signed two bills Tuesday aimed at protecting actors and ...
Dig deeper: Best low-risk investments for retirees. 5. Credit card APRs. Annual percentage rates (APRs) determine how much it costs you to carry a balance on your credit card. Card issuers tie ...
The solution found by a number of researchers was to use two resonant circuits in the transmitter, with their coils inductively (magnetically) coupled, making a resonant transformer (called an oscillation transformer); [11] [46] [17]: p.352-353, 355–358 this was called an "inductively coupled", "coupled circuit" [45] or "two circuit" transmitter.
Wilson initially denied bringing family members on the trips, according to the report. The NYC Department of Education said in a statement that the accusations in the report happened before the ...
In an October 1940 report to Franklin Roosevelt, Bowman wrote that "the US government is interested in any solution anywhere in the world that affects American trade. In a wide sense, commerce is the mother of all wars." In 1942 this economic globalism was articulated as the "Grand Area" concept in secret documents.