これだけ

  1. adverb (fukushi), nouns which may take the genitive case particle 'no'

    to this extent, to this degree, this much, this little
    word usually written using kana alone

    • 同じ虹を、これだけたくさんの人が撮影したものを見たことがありません。
      I've never seen as many people as this photograph the same rainbow.