http://www.simplyscuba.com/departments/Masks.aspx
http://www.simplyscuba.com/departments/SnorkellingMasks.aspx
Choosing a mask that provides a good fit and has all the features you want ais crucially important to enjoying scuba diving or snorkelling to it's maximum potential. A poor fitting or uncomfortable mask can really affect your experience or even deter people from exploring our oceans and inland waters.
This video will run through the different components of a mask and provide details of the different features and specifications that you will face when choosing a mask. It also details some of the advantages and disadvantages of different styles and features depending on use.
The video covers topics such as frame and lens design, skirt material and features, lens glass grades, buckle systems and straps.