Acrylic has the advantage of optical clarity, lightness, and ease of drilling.
The better safety films are smooth-coated, because they have far superior optical clarity.
Each of these lenses offer different attributes mainly focused on durability, optical clarity, and scratch resistance.
These are of thin glass, with more care taken over their optical clarity.
The film is a heat-shrink plastic which allows a hair dryer to be used to remove creases and improve optical clarity.
Polynorbornenes are polymers with high glass transition temperatures and high optical clarity.
Glass lenses have the best optical clarity and scratch resistance, but are heavier than plastic lenses.
The user adjusts the lens for optical clarity at the desired distance.
Since there is no need for additional elements on screen, it also claims to provide excellent optical clarity.
The touchscreen used by Elo is made of ordinary glass, giving good durability and optical clarity.