給老殼一個新的靈魂。

Sea&Sea D300防水殼改裝UW tech TTL光纖感應及5pin電纜線TTL並存，並且光纖及電子線可同時作動

這意味著使用一對二光纖與一對二電子線就可連結4個閃燈同時TTL

Sea&Sea D300 housing modified UW tech TTL conversion kit.

Replace one 5pin bulkhead to fiber optical socket. 

Both dual sync cord and dual fiber optical cable can work together at same times.

Means 4x strobes TTL flash at same time.