Macro LED Ring Flash Light for Sony A900 A850 A57 A77 A65 A37 NEX7 DSLR Camera,with 49mm, 52mm, 55mm, 58mm, 62mm, 67mm,72mm,77mm Lenses,Color Temperature Adjustment Price: $30.89 (as of 12/11/2019 07:11 PST- Details)

The ring flash can be mounted on a camera as photography light.
Macro led Ring Light For Sony (old interface, not HDMI) DSLR Cameras
49-77mm Ring adapter/4 Color diffuser