When they are ready for sale you will be sent a Personal Message through this forum. You should also recieve an email to let you know you have a new “PM”.
It should be at least a couple more months, but might be longer depending on how things go.
The prototypes appear to have a mild AR coating. I haven’t seen one in neutral white yet, so I don’t know if it has any significant effect on tint, but it’s definitely not the painfully blue coating on some lights.
FWIW, the lens is 23.0 mm x 1.5 mm. Anyone got a link for lenses of this size?