Thanks! And even more interesting, there is Varia Vision: https://www.garmin.com/de-DE/p/530536 https://www.garmin.com/de-DE/p/530536 How I could missed that.

Thanks! And even more interesting, there is Varia Vision: https://www.garmin.com/de-DE/p/530536 https://www.garmin.com/de-DE/p/530536 How I could missed that. It not a glass but an clip to add.