Unique Wireless Speedlight system kit forfully automatic Close-up photographic exposures. This kit comprises of twoSB-R200 Remote units attached to the lens, triggered by the pop up flash of theD70s or D200. Fully automatic TTL exposure calculation and synchronization iscarried out using infrared wireless communication between the camera’smetering system and the remote units. The kit includes adaptors for frontallighting, filters, and adaptor rings for the most popular Nikkor lens filterscrew threads. Additional SB-R200 units or SB-800 and SB-600 units can be addedto add an entirely new dimension to illuminating subjects in a wide variety ofphotographic situations as well. This kit configuration is recommended forD70/D70s/D200 customers.