a Fresnel lens

Alternative spelling of フレネルレンズ (“Fresnel lens”)

use, usage

lens (object focusing or defocusing the light passing through it)

a house, a residence / a building or structure, especially one used for amusement, food and beverage service, or shelter / a greenhouse

use, utilize

a right (to do something), synonym of 権利 (kenri) / the right-hand side / (politics) the conservative side of an issue, or a person with conservative views, synonym of 右派 (uha, “right wing”)

(uncommon) light, illumination / (uncommon) a light, a lamp / light, not dark (as of a color, as in light blue) / light, not heavy (as of a physical thing, as in lightweight)

light (casual)

opera house