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Bestlight? 48 LED Macro Ring Light With 6 Adaptors Rings (Fits 49mm 52mm 55mm 58mm 62mm or

Product Description :
Can be used to shoot at a very close distance esp for the clinical dental photography
Can be adjusted to semi or full light and the light remains stable
The flash can be used continuously up to 15 hours
Six kinds of adapter rings are included to meet the requirements of different caliber camera 49mm192in 52mm204in 55mm216in 58mm228in 62mm244in 67mm263in
Effective Distance 3cm-100cm