The camera lens is an advanced glass lens with a 90 - degree wide - angle range combined with a 90 - degree vertical rotation and a 340 - degree horizontal rotation range. (omaby.com)
The glasses are made with high quality tempered glass lenses and provide UV protection from the sun's dangerous rays. (steinmart.com)
The gravity from massive objects like galaxies can bend light, just as conventional glass lenses do. (discovermagazine.com)