Jeremain Lens and Sigi Lens are both Dutch what?
Sigi Lens Sigi Lens (born 26 October 1963) is a retired Dutch-Surinamese footballer and currently is a sports agent. During his career he served AZ and Fortuna Sittard. He was one of the footballers that survived the Surinam Airways Flight PY764 air crash in Paramaribo on 7 June 1989. His nephew Jeremain Lens is also a professional footballer.
FOCAL (spacecraft) Fast Outgoing Cyclopean Astronomical Lens (FOCAL) is a proposed space telescope that would use the Sun as a gravity lens. The gravitational lens effect was first derived by Einstein, and the concept of a mission to the solar gravitational lens was first suggested by professor Von Eshleman, and analyzed further by Italian astronomer Claudio Maccone and others.