Corrective mask lenses for the XS Scuba Metro & M-Line.

Negative Diopter

• Negative diopter covers entire surface of lens

• Easy to install on XS Scuba Metro & M-Line

• Fits many of today’s most popular masks

• Highest quality optical glass

• Precision ground and polished

• Tempered glass

• Meets ANSI Z86.11.1985 standards

• Available in -1.0 to -8.0 negative diopters

Positive Diopter

• Positive magnification covers bottom 1/3 of lens

• Top 2/3 of lens is clear glass

• Same features as negative lenses

• Available in +1.75, +2.25 & +2.75 positive diopters