noun
condenser lens; converging lens
Technical term in optics for a lens that focuses light or other radiation.
顕微鏡の集束レンズで光を試料に集める。
The microscope's condenser lens focuses light onto the specimen.
Standard kanji spelling for a condenser/converging lens.
Variant spelling using 収束; both 集束 and 収束 are used in optics.
Synonymous loanword from English; used interchangeably with 集束レンズ in technical contexts.
Compound of 集束 (shūsoku, 'convergence') or 収束 (shūsoku, 'convergence') and レンズ (renzu, 'lens').