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Nikon has announced the new remote Speedlight SB-R200 and Command Unit SU-800. Aimed primarily at close-up and macro photography, these small units combine to make a wireless flash system, the SU-800 commander unit can be combined with SB-R200 Speedlight (or other compatible Speedlights) in up to three groups. Nikon is selling these components separately but also as Macro kits, which include one command unit and two SB-R200 Speedlights

Although these are point lights and not a ring, they may solve the problem dentist Nikon photographers have had with the SB 29 ring flash that did not TTL meter with Nikon digital’s.  This combination will TTL meter.