The Sea&Sea Macro Port 52 has an M67(67mm) threaded mount designed for the Canon EF-S 60mm Macro USM lens. The port is threaded to mount a Wet Diopter (SEA52119) (Sea&Sea M67-M62 Reduction Ring #58122 is required).

Compatible lenses:

• Canon EF-S 60mm Macro USM
• Nikon AF-S Micro-Nikkor 60mm f/2.8G ED (with extension ring 20L)