What is the grammatical feature of [Отраженье]?
Lyrics of "Cantarella"
Глядя на себя
В зеркало времен
[Отраженье] глаз твоих ловя
http://lyricstranslate.com/en/Kagamine-RinLen-%E9%8F%A1%E9%9F%B3-%E3%83%...
Looking at myself
in the mirror of time
Catching [ reflections ? ] of your eyes
Yes, "отраженье" is more poetic variant of a word "отражение", which means "reflection".
So, it'll be "Catching the reflection of your eyes"