helioscope

Noun

 * 1)  An apparatus for viewing the Sun without harming the eye, by means of an optical  filter that attenuates most of sunlight while allowing only a small amount of the solar radiation.

Translations

 * Finnish: helioskooppi
 * French:
 * German: Helioskop
 * Ido:
 * Italian: elioscopio
 * Norwegian: helioskop
 * Nynorsk: helioskop
 * Polish: helioskop
 * Russian:
 * Spanish:
 * Swedish:
 * Ukrainian: геліоско́п