Manufactured by Seac Sub, one of the leaders in the diving industry, this mask is excellent for both diving and snorkeling.
Available in 2 colours this Prescription Diving Mask is ideal for the serious diver.
Each individual lens can be glazed with different prescriptions - made from toughened glass it will last for ages.
How they are made - THe origianl lens remains in place but the specially ground glass prescription lens is 'glued' to the inner surface.

This is the bonded lens version of the popular Extreme mask. So if you have a complex prescription or need bifocal lenses this mask is an option.

Lenses. - Bonded - We use a glass base lens and then bond the prescription lens to the surface. The lenses are toughened for protection.
Range of powers :
Plano to -10.00 with cylinders to +3.00 (astigmatism)
+0.50 to +8.00 with cylinders to +3.00 (astigmatism)
in half dioptres.

The other alternative to this mask is the prescription insert version

Bifocal lens powers as above with reading of +1.50, +2.00, +2.50, +3.00
Different prescription available in each eye at no extra cost
Non-prescription version also available

The bonded version of the mask takes approximately 2 weeks to deliver due to the bonded process

DISTANCE - single vision