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Features:
* Full integral floatation
* 100% Glare free Polarized lenses by Polaroid
* Wrap around Grilamid TR90 frame for side UV protection
* Dry wipe case included
* Rubber tip arms for additional comfort and hold
* Nose pads for impact resistance and non slip extreme comfort!
* Integral retaining strap for extra security
The floating styles are equipped with Polaroid Polarizing lens, technical name is S13. The support layers of this material is CAB (Cellulose Acetate Butyrate). It is a 7 layer laminate with a high quality scratch resistant hardcoating. The whole lens is presspolished and optically correct, optical class 1, CE standard.
CAB has advantages and disadvantages...
+unbreakable
+99% polarizing efficiency
+100% chipping free
+optically class 1, power readings and refraction is excellent
-fairly scratch resistant 2.5 HD
+lightest weight
+very good thermal stability
-distortion along frame edges possible |
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