Costa Glass Vs Plastic

Costa del mar sunglasses with glass lenses glass lenses come in two varieties.

Costa glass vs plastic. The 400p variant of costa del mar is a complete uv blocker and thus provides maximum protection. Costa glass lenses vs costa polycarbonate lenses. When choosing between glass and plastic lenses it is important to recognize the main differences between the two. Plastic lenses are much lighter than glass lenses and are less likely to shatter.

When buying your new pair of costa sunglasses its key to understand the differences between their glass and polycarbonate lenses. Glass lenses offer superior clarity and scratch resistance but are usually heavier than plastic lenses. If your costa pair has a prescription on them a costa logo will show before the 580 or a c followed by the 580 on different models. All costa lenses have 100 uv blockage for maximum protection and 100 polarization to kill reflected glare.

They carry distinctly different features and pricing. Polycarbonate lenses have a built in uv protection by nature and they also easily allow for special treatments to be added to the lenses to protect your eyes. Plastic lenses are lighter and more comfortable to wear all day long but are much more vulnerable to scratches. 400g lenses feature glare cutting lightwave tm glass technology and weigh 20 to 22 percent less than typical lenses.

It is 100 polarized and thus gives superior clarity. Most glass will absorb uv radiation but when it comes to protecting your eyes from the sun s damaging rays polycarbonate plastic is the best bet. Plastic lenses are impact resistant making them a better choice for children active adults sportswear and safety wear. Costa glass lenses with 580 technology will have a 580 etched on the top left of the lens to prove that they are real.

Glass frames weigh more than plastic. Heavy glass lenses also leave indentations on the nose while lenses made from plastic sit much more lightly. It is very durable and is also impact resistant.