Seatool M67 bayonet adapters on a G9 / Ikelite Housing

Has anyone tried using a bayonet converter to make 67 mm Inon (or other) lenses work with a bayonet mount on the G9.

http://reefphoto.com/index.php?main_page=p...22cf38bb9059b54

and http://reefphoto.com/index.php?main_page=p...roducts_id=2231

would allow one to use a 67mm lens with the convenience of a bayonet mount. I wonder how much vignetting this would cause.

Has anyone tried using a bayonet converter to make 67 mm Inon (or other) lenses work with a bayonet mount on the G9.

 

http://reefphoto.com/index.php?main_page=p...22cf38bb9059b54

 

and http://reefphoto.com/index.php?main_page=p...roducts_id=2231

 

would allow one to use a 67mm lens with the convenience of a bayonet mount. I wonder how much vignetting this would cause.

Looks like a cool adaptor ! worth a try