GoPro

+15 MacroMate Mini Underwater Macro Lens for GoPro HERO cameras (requires a Flip Filters Frame ).

The UCL-G165II ZD Underwater Wide Close-up Lens For GoPro Cameras lets you get within a few centimeters of your subject, so you can capture the subject at a much larger size.

Flip Filters Fluorescence Underwater Yellow Barrier filter

250 Meters depth rated underwater housing for your GoPro HERO 13 (also 9-10-11-12 will fit). Housing made of aluminum.

67mm Holder with +10 diopter