How to choose the right yachting sunglasses

How to choose the right yachting sunglasses

Choices often come down to simply personal preference and individual style, but choosing the right lens curvature, color, and material can make a big difference in lens performance. Not all polarized sunglasses offer the same level of protection.

Here are some basic differences to help narrow down your choices:

Lens material

The huge number of sunglasses designed for yachting have some variations plastic, often polycarbonate lenses that are lightweight and won't break if dropped. Some plastic lenses have an additionally polarized layer, while the polarization of others is an integral part of the lens. The latter will be more difficult to scratch, but they are also more expensive in cost.

Glass lenses are incredibly clear and more scratch resistant than plastic, but are also heavier and more expensive options and can crack or shatter.

How to choose the right yachting sunglasses

Lens shading

Shading levels, or the amount of light that passes through a lens, can be roughly broken down into 4 categories:

• Category 0 - these are clear lenses without UV protection, technically, they allow ultraviolet radiation from 80% to 100% to pass through
• Category 1 - the lenses allow the transmission of ultraviolet radiation from 43% to 80% and will effectively protect, except at low light levels
• Category 3 - suitable for normal and bright sunny weather conditions. Most yachting sunglasses fall into this category as they allow UV light transmission from 8% to 18%
• Category 4 - this is more the level of ski goggles, they allow ultraviolet radiation from 3 to 8% and are too dark for use while sailing.

There is also photochromic or variable transmission lenses... They are lighter under normal conditions, and darker when you look at the sun for a few minutes. Such a function will be useful for continuous use, that is, you can go down without removing them, and then go up to the deck, into the light, and at the same time they themselves adapt to the lighting conditions.

Lens shade

Basic gray lensestend to be slightly darker, they work best in bright sun. Also, it is the gray lenses that are most convenient for visibility, because they do not change the color of what you are looking at. At the same time, for many, they may be too dark.

Looking through lenses with a base brown, copper or amber tint, the world looks brighter and more contrasty than gray lenses. Copper lenses are suitable for both sunny and cloudy days, while lenses with a pink tint showed a similar brightness effect as an amber tint. Brown shades of lenses are just as good as gray in terms of UV protection, except for a different visual experience. Therefore, the choice of warm or cool lens shades is just a matter of personal preference.

How to choose the right yachting sunglasses

Lens coatings

Some lenses have mirror cover on the frontwhich is supposed to reduce the amount of glare that gets into your eyes. In terms of style, the mirror finish gives the glasses a more stylish look, and your eyes are not visible through the lenses, although there is concern that the mirror finish is more prone to scratches than other lenses. Unfortunately, the mirror effect, which theoretically should reflect more light, was not noticed.

And here anti-reflective coating on the back of the lenses Is the type of finish that really matters, especially on flatter frames where the light comes in from the sides and shows a distracting reflection. Frames with a higher base curvature do not need this coverage.

Many of the sunglasses have hydrophobic coatingthat help the water slide off. They are more effective in drizzling rain and are resistant to salt water splashes.

Is there some more oil resistant coatingwhich helps some sunglasses fight the potential hazards of sunburn, dust and dirt.

Frame bending

Base curvature of the frame Is a number used to describe how flat or voluminous the frame is. Technically, this is the radius of the circle formed by the inside of the lens. For example, frame with basic bend 8 - fully protects, and base bend 6 - flatter. Of course, the greater the curvature, the better the glasses deal with harsh side reflections.

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10.12.2017