This is Nikon's premium kit for close up photography, for ultimate control & flexibility, coming as it does complete with a host of accessories to help users get maximum control over their close-up flash shooting, such as the Extreme Close-Up positioning adapter SW-11, Colour Filter Set SJ-R200, Diffuser SW-12 & Flexible Arm Clip SW-C1. It is even possible to add more SB-R200s into the supplied adapter ring (available seperately up to a maximum of 8 units) & to control SB-600 & SB-800 units. CONTENTS OF MACRO KIT A • SU-800 Wireless Speedlight Commander (x 1) • SB-R200 Wireless Remote Speedlight (x 2) • SX-1 Attachment Ring (x 1) • Adapter Rings (5 kinds) • SW-11 Extreme Close Up Positioning Adapter (x 2) • SZ-1 Colour Filter Holder (x 2) • SJ-R200 Colour Filter Set (4 kinds x 2) • AS-20 Speedlight Stand (x 2) • SG-3IR IR Panel for Built-in Flash (x 1) • SW-C1 Flexible Arm Clip (x 1) • SW-12 Diffuser (x 1) • SS-MS1 Speedlight Macro Set Case (x 1) • SS-SU800 Case for SU-800 (x 1) • SS-R200 Case for SB-R200 (x 2) • SS-SX Case for SX-1 (x 1)