I had a look at a Heads Up Display Oceanic mask last week while I was diving at Lembeh and was impressed that I could actually read the display which is on the bottom right hand side of the mask.
Of course it might be useless if you are carrying two stages and a set of doubles but at some point in the future that might be workable, in the meantime I will still stick to my SPGs and my Petrel
Of course it might be useless if you are carrying two stages and a set of doubles but at some point in the future that might be workable, in the meantime I will still stick to my SPGs and my Petrel