What Is Love at number two in the United Kingdom and Germany and hit number one in 13 other countries: Austria, Belgium, Denmark, Finland, France, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Switzerland and Zimbabwe. Debuting at number 87 on 28 August 1993, the song reached number 11 on the Hot 100 in the United States. The song also peaked at number 12 in Australia. By March 1994, worldwide sales of "What Is Love" had already reached 2.6 million. When asked about the meaning of "What Is Love" in a 2015 interview, Haddaway said: "Billboard" wrote about the song: "Glorious pop/house ditty recently topped
Four Thirds system DSLRs. The smaller flange focal distance allows for more compact normal and wide angle lenses. It also facilitates the use, with an adapter, of lenses based on other mounting systems, including many manual focus lenses from the seventies and eighties. In particular, Four Thirds lenses can be used on Micro Four Thirds bodies with an adapter, however, "all of the functions of the Micro Four Thirds System may not always be available." Four Thirds system The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) and mirrorless camera design and development.