ぜん反射 はんしゃプリズムじゃありませんでした
zenhanshapurizumujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 全反射プリズム

1. Was not a total reflection prism.; Wasn't a total reflection prism.

Past/Perfective
Negative
Polite
Terminal Form