Nikon 50DX Instruction Manual - Page 27
Multiple Flash Operation Using the Infrared Remote Commander, Wireless Multiple Flash Operation
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Page 27 highlights
Wireless Multiple Flash Operation-continued • Manual wireless multiple flash operation with the SB-50DX set at Manual Slave Flash mode To fire the slave SB-50DX unit placed distant from the master flash unit (or where the light of the master flash does not reach) without cords, set the slave SB-50DX unit to Manual Slave Flash mode. Slave SB-50DX unit detects the light from other flash unit(s) such as a master flash unit and fires at full output. • Press the SLAVE button for approx. one second to activate for Auto Slave Flash mode or for Manual Slave Flash mode indicated in the LCD panel. If the is shown, press the MODE to set the Manual Slave Flash mode with indication. • Aperture is determined by the guide number (p. 33) and flash shooting distance. You can control exposure by varying flash-to-subject distance. (Test shooting is recommended.) • Effective range of the SB-50DX's light sensor in the Manual Slave Flash mode is approx. 40m (131 ft.). In the Manual Slave Flash mode, the light sensor on the slave SB-50DX becomes very sensitive; manual wireless multiple flash shooting may be performed even if the light sensor is not facing the master flash unit. • Set flash mode on the master flash unit to TTL auto flash mode without Monitor pre-flash (p. 27) (See "Canceling Monitor pre-flashes", p. 47), non-TTL auto or Manual (p. 31). (Usable flash mode depends on camera/Speedlight combination. See instruction manual of your camera and Speedlight). Multiple Flash Operation Using the Infrared Remote Commander With the Infrared Filter SW-9IR, you can use the master SB-50DX unit as an infrared remote commander to perform wireless multiple flash operation. With the SW-9IR attached, the master SB-50DX unit fires infrared rays that do not expose normal film to trigger the slave SB-80DX, 50DX, 30 unit or other slave flash unit (with the SU-4) to illuminate the subject without master flash unit lighting. • Multiple flash operation using the infrared remote commander 1. Attach the Infrared Filter SW-9IR to the SB-50DX flash head. • Attach the SW-9IR so that it fits into the grooves on the flash head. • To remove the SW-9IR, pull it out from the groove on one side. 2. Attach the SB-50DX to the camera body for use as a master flash unit. • Before attaching the SB-50DX, turn off the SB-50DX and camera. • Do not use the camera's built-in Speedlight. 3. Shoot following the same procedure as in wireless multiple flash operation without infrared remote commander (p. 48). • Press the SLAVE button on the SB-50DX (master flash unit) for approx. 1 sec. to set the Speedlight to Wireless Flash mode (p. 48) • Use another SB-80DX, 50DX, 30 and/or other Speedlight with the SU-4 (p. 56) as slave flash unit(s). • With the SW-9IR attached to the master SB-50DX, the effective range of the light sensor on the slave flash unit is approx. 7m (23 ft.) in the Auto Slave Flash mode (p. 49) or approx. 40m (131 ft.) in the Manual Slave Flash mode (p. 52). Carrying the Infrared Filter SW-9IR When not used, the SW-9IR can be placed on top of the flash head. Fit the SW-9IR into the grooves on the flash head. Technical Operation 52 53
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