326Nikon’s advanced Creative Lighting System (CLS) offersimproved communication between the camera and compatibleflash units for improved flash photography.❚❚ CLS-Compatible Flash UnitsThe following features are available with CLS-compatible flashunits:The Nikon Creative Lighting System (CLS)SB-5000SB-910, SB-900,SB-800SB-700SB-600SB-500SU-800SB-R200SB-400SB-300Single flashi-TTLi-TTL balancedfill-flash fordigital SLR 1✔ ✔ ✔ ✔ ✔ — — ✔ ✔Standard i-TTLfill-flash fordigital SLR✔2 ✔2 ✔ ✔2 ✔ — — ✔ ✔qA Auto aperture ✔ ✔3 — — — — — — —A Non-TTL auto — 4 ✔3 — — — — — — —GNDistance-prioritymanual✔ ✔ ✔ — — — — — —M Manual ✔ ✔ ✔ ✔ ✔5 — — ✔5 ✔5RPT Repeatingflash ✔ ✔ — — — — — — —