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4.05–4.1 [35] See also. Sellmeier equation; Corrective lens#Ophthalmic material property tables; Optical properties of water and ice; References
The development of the 'Tessar' lens is discussed by Nasse, [11] and shows its transformation from an f /6.3 lens for plate cameras using the original three-group configuration through to an f /2.8 5.2 mm four-element optic with eight extremely aspheric surfaces, economically manufacturable because of its small size. Its performance is 'better ...
8 million [56] Dendy Home Micro Genius: 1992 6 million [57] Super NES Classic Edition: Dedicated Nintendo: 2017 5.28 million [58] Advanced Pico Beena: Home Sega: 2005 > 4.1 million [59] NES Classic Edition: Dedicated Nintendo: 2016 3.56 million [60] [61] WonderSwan & WonderSwan Color: Handheld Bandai: 1999, 2000 3.5 million [note 8] Sega Pico ...
According to the 2020 census, 91.11% of the population was Han Chinese, and 8.89% were minorities. China's population growth rate is −0.15%, ranking 159th in the world. [ citation needed ] China conducted its sixth national population census in 2010, [ 11 ] [ 12 ] and its seventh census was completed in late 2020, with data released in May 2021.
During the Cold War, in 1983, the Swedish Army required vehicles with high mobility, air defence and anti-tank capability, high survivability and protection. In 1985, the "stridsfordon 90" project group, made up of representatives from the Swedish Armed Forces (Försvarsmakten), the FMV and Swedish industry (including Hägglunds and Bofors), finalized the design for a "unity vehicle" that ...
On 24 February 1873, a horse-drawn 3.8 km (2.4 mi) tram opened in Calcutta between Sealdah and Armenian Ghat street. [14] On 9 May 1874, a horse-drawn tramway began operation in Bombay between Colaba and Parel. [15] In 1879, the Nizam's Guaranteed State Railway was established which built railway lines across the then Hyderabad State from ...
In a 1997 year-end review, a team of four Electronic Gaming Monthly editors gave the Game Boy scores of 7.5, 7.0, 8.0, and 2.0. The reviewer who contributed the 2.0 panned the system due to its black-and-white display and motion blur , while his three co-reviewers praised its long battery life and strong games library, as well as the sleek ...
Between 2001 and 2003, the Bush administration instituted a federal tax cut for all taxpayers. Among other changes, the lowest income tax rate decreased from 15% to 10%, the 27% rate went to 25%, the 30% rate went to 28%, the 35% rate went to 33%, and the top marginal tax rate went from 39.6% to 35%. [8]