Sigma Flash EF-530 DG ST for Nikon, Guide number: 53/m(174/ft) ISO 100/m(with the zoom head at 105mm)
| Dimensions | (W x H x D): 77 x 139 x 117mm |
| Other | Guide number: 53/m(174/ft) ISO 100/m(with the zoom head at 105mm); Power source: four AA alkaline or AA NiCd or Ni-MH (Nikel Metal Hybride) batteries; Charging time: 6 seconds (when using alkaline batteries)Approx. 4 seconds (when using NiCd, Ni-MH batteries). |



