Burlington Executive Airport (ICAO: CZBA), is a small, privately operated general aviation registered aerodrome in rural Burlington, Ontario west of Toronto.
Boundary Bay Airport or Vancouver/Boundary Bay Airport (IATA: YDT, ICAO: CZBB) is located beside Boundary Bay and 2.5 nautical miles (4.6 km; 2.9 mi) east of Ladner in Delta, British Columbia, Canada, 8.5 NM (15.7 km; 9.8 mi) south southeast of Vancouver and close to the U.S.
Bathurst Airport (IATA: ZBF, ICAO: CZBF) is located 3 nautical miles (5.6 km; 3.5 mi) west northwest of Bathurst, New Brunswick, Canada in Sainte-Anne.
The Roland-Désourdy Airport (IATA: ZBM, ICAO: CZBM) (formerly known as Eastern Townships Regional Airport or simply Bromont Airport) is located 3.4 nautical miles (6.3 km; 3.9 mi) west-southwest of Bromont, Quebec, Canada.
Ilford Airport, (IATA: ILF, ICAO: CZBD), is located 1.5 nautical miles (2.8 km; 1.7 mi) south southwest of Ilford, Manitoba, Canada.
The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane.
Biogon is a brand name of Carl Zeiss for a series of photographic camera lenses. Biogons are typically wide-angle lenses.
Cuba, officially the Republic of Cuba (Spanish: República de Cuba ), is a country comprising the island of Cuba as well as Isla de la Juventud and several minor archipelagos.
CBS (an initialism of the network's former name, the Columbia Broadcasting System) is an American commercial broadcast television network that is a flagship property of CBS Corporation.
Czechoslovakia or Czecho-Slovakia /ˌtʃɛkoʊsloʊˈvækiə, -kə-, -slə-, -ˈvɑː-/ (Czech and Slovak: Československo, Česko-Slovensko) was a sovereign state in Central Europe that existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until its peaceful dissolution into the Czech Republic and Slovakia on 1 January 1993.