Looks like Nauticam's gearing up to release Alex Mustard's prototype lens -- a smaller WACP designed for n100 port system, but still able to work with all the lenses the regular WACP-1 works with. https://www.nauticam.com/products/n100-0-36x-wide-angle-conversion-port-compact-wacp-c 36% lighter and 36% cheaper.