Nauticam M67 Flip Diopter Holder for M67 Macro Lens
This diopter holder from Nauticam turns any port with a 67mm thread into a flip adapter. This way you can easily flip a macro diopter onto the front of your port.
Secure design, machined aluminum adapter
Screws into 67mm threads, works with any Nauticam port with 67mm threads (including all macro ports, and several flat ports for the mirrorless cameras).
Clip lock keeps the lens from flipping out while you are shooting
Spring tension keeps the lens from flipping back in front of your port when you are not using it.