Optical glass for your LOOK 1 and LOOK HD which are shown here for clarification.
Lenses of - (negative) thickness are suitable for the right and left eye.
Glasses of + (positive) thickness are to be ordered separately for the left / right glass, have only built in visual acuity in the lower part of the glass.
The price is valid for 1 glass.
The glass thicknesses are adapted to the underwater conditions - simply order the known glass thickness.
Attention - the LOOK 2 needs other glasses because of changed glass shape.