Adding a wide angle or macro lens to your point-and-shoot or mirrorless housing can help you get a different perspective as well as improve color and clarity.
WD-3 Wide Angle Dome
W30 Wide Angle Wet Lens
Lens Holder for 67mm Threaded Lenses
WD-4 Wide Angle Dome
Macro 67mm Threaded Adapter for 3.9 inch Diameter Ports
Wide Angle Port for Canon PowerShot G15 and G16
Wide Angle Port M67 for Panasonic ZS100 TZ100
135mm Macro Port for Canon PowerShot G3 X Housing
67mm Threaded Adapter for 2.2 inch Short Ports
67mm Threaded Adapter for 2.2 inch Diameter Ports
INON Bayonet Adapter for 2.2 inch Diameter Short Ports