AquaTech underwater equipment is never available for same-day pickup or for overnight shipping. It always needs at least a 2-day lead time for order preparation. Orders intended for pickup in either BorrowLenses HQ locations will require a $25 courier fee.

The AquaTech P-30 EX 30mm Extension Ring aids in the performance of certain dome-shaped underwater lens ports when paired with certain lenses. It also creates extra length for certain flat-faced ports when paired with certain lenses. Please refer to this chart to find out which lens ports are compatible with which extension rings.

Want to see all of our underwater and blimp housing offerings and compatibility all in one place? See our blog post for a gear summary to help you get started with the right items.