光源|こうげんkougen[0]heiban (flat)

1. nounlight source
   では、CGを作つくる場合ばあいはどのように光源こうげんを使用しようすればよいのであろうか。↗

   Then, when you're making CG, how should you use light sources?

• Related明かりあかりNeutralEveryday word for a light or lamplight, as in 「明かりをつける」. Native Japanese and conversational; 「光源」 is the technical physics/photography term.
• Related照明しょうめいNeutralLighting a place with lights, as in 「舞台照明」; centers on the act of illuminating and the lighting equipment, not the source itself.

Use 「光源」 for the source that emits light — a physics/photography term, as in 「LED光源」. In everyday speech say 「明かり」; for lighting up a place, use 「照明」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 光ひかりを出だす源みなもと。