Amazon with standbyon has the Neewer 48 LED Ring Light for Macro Canon Nikon Sigma Tamron Lens for $24 with free shipping on $25+. Includes 6 adapter rings (49mm / 52mm / 55mm / 58mm / 62mm / 67mm), double-duty power supply, and provides continuous lightning. [Compare]Neewer 32 LED Ring Light for Macro Lenses for $22 with free shipping on $25+