GoPro Mount Prescription Scuba Dive Mask by Promate - MK250CM RX

 GoPro Mount Prescription Scuba Dive Mask by Promate - MK250CM RX

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$59.95
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Description

*Promate Scope camera mountable scuba dive mask (MK250CM) and corrective lens
*2-window scuba dive mask features comfortable silicone injected skirt and strap, Double edge comfort seal, low volume.
*Camera mount ready on mask with your favorite waterproof camera for your own underwater story
*Lenses are made of tempered glass which heavier but less sustainable to scratches, compared to polycarbonate.
*Optical lenses available from –1.0 to –10.0 by increments of 0.5 (for nearsighted or myopia)
*Optical lenses available from +1.0 to +4.0 by increments of 0.5 (for farsighted or hyperopia)
*Bifocal / Gauge Reader lenses available from +1.0 to +4.0 by increments of 0.5.

Details

*Camera mount ready on mask with your favorite waterproof camera for your own underwater story
*The scuba dive Mask is ideal for medium faces, and fits almost everyone- face seal size W4 1/2 * H3 3/8
*Crystal, liquid silicone injected skirt and strap
*Double edge comfort seal
*Low volume
*Optical lenses available from –1.0 to –10.0 by increments of 0.5 (for nearsighted or myopia)
*Optical lenses available from +1.0 to +4.0 by increments of 0.5 (for farsighted or hyperopia)
*Bifocal / Gauge Reader lenses available from +1.0 to +4.0 by increments of 0.5.


All lenses are tempered glasses, also called Toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering creates balanced internal stresses which cause the glass, when broken, to crumble into small granular chunks instead of splintering into jagged shards. The granular chunks are less likely to cause injury. Comparing with polycarbonate lens, it is usually heavier than the polycarbonate, but the polycarbonate is easier scratched.

IF YOU NEED DIFFERENT CORRECTIVE LENSES ON EACH SIDE, PLEASE SEND US A MESSAGE WHEN PLACING YOUR ORDER.

With a bifocal, the upper part of the lens is generally used for distance vision (NO PRESCRIPTION,) while the lower part is used for near vision with adjustment power for close-up work. A segment line separates the two section for bifocal lens type. By contrast, both farsightedness and nearsightedness are Single vision which has the same optical focal point or correction over the entire area of the lens.