This product is now offered as Product Number 5516.50, which is identical in form and function.
This Flat Port is designed specifically for use with the Compact DSLR Housing for the Canon EOS 100D Rebel SL1. The housing's dome port may be removed without tools to attach the optional Flat Port for the Canon EF-S 60mm Macro lens. Simply loosen the securing thumb screws and slide the port off. The optional Flat Port allows use of the 60mm Macro lens in auto-focus mode and features 67mm front threads for the optional attachment of macro converter wet lenses.
The MSRP referenced is a suggested US market retail price. Actual sales prices are set exclusively by Authorized Ikelite Dealers.