1.Set camera'sexposure mode to 5 for Shutter-Priority Auto or Mfor Manual exposure mode.
2.Set Rear-Curtain Sync.
For Speedlight other than S8-25 or S8-24: While pressing the camera's~ button, rotate the command dial until ~ appears in the camera'sLCD panel.
For S8-25 or S8-24 users: Set the Speedlight'ssync mode selector to REAR position. (See your Speedlight'sinstruction manual) . Rear-Sync setting on camera is ignored.
Then follow steps 2-6 of TTL AUTO FLASH OPERATION, on p.
118.When using a low shutter speed, mount the N90 on a tripod to prevent camera shake.
You can use Rear-Curtain Sync in non-TTL auto or manual flash mode. For non-TTL auto or manual flash mode, refer to your Speedlight manual. Note that in either flash mode, you must use Aperture-Priority Auto or Manual exposure mode.
