ケプラー しき望遠 ぼうえん きょうでしょう
kepurāshikibōenkyōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ケプラー式望遠鏡

1. Keplerian telescope, probably.; It's likely a Keplerian telescope.

Polite
Presumptive
Conjecture