TUSA Intega Corrective Negative Diopter Lens Right -4.0

Do you have vision problems when diving?
Tired of not being able to see well underwater? Can't read your computer or gauges? Maybe you not sure what f-stop you are setting your camera on? If these are problems for you when diving you need to get a set of diopter lenses for your dive mask. See things clear underwater with these TUSA Corrective Negative Diopter Lenses that can be inserted into the Intega Mask (see SKU's: TBTIMS, TBTIM), as well as the Freedom One Mask (see SKU: TBTMFO). Available in -0.5 diopter increments from -1.0 to -8.0 for left and right lenses. Just as eyeglasses are the easiest and safest way to correct vision topside, corrective lenses are the simplest and most cost-effective choices for correcting vision underwater. Diopter lenses are manufactured from tempered glass. Easy to install and will help you see better underwater.