User manual NIKON SB-50DX

[. . . ] Autofocus Speedlight (En) INSTRUCTION MANUAL En Foreword · Thank you for purchasing the Nikon Speedlight SB-50DX. Get to know your SB-50DX, and be sure to read this manual thoroughly before using it. Main features of the SB-50DX: · The SB-50DX is a high-performance Speedlight having a guide number of 22/72 (at 35mm zoom-head position, ISO 100, m/ft. , 20°C/68°F). According to the camera/lens used with the SB-50DX, you can perform various types of TTL auto flash (p. [. . . ] (See your camera's instruction manual. ) 34 35 Detailed Operation Autofocus Flash Photography in Dim Light The SB-50DX's AF-Assist Illuminator enables you to perform autofocus flash photography in dim light. · AF-Assist Illuminator · The AF-Assist Illuminator automatically turns on when the camera's shutter release button is lightly pressed in dim light. · The AF-Assist Illuminator is not activated when the is shown in the LCD panel. To activate the AF-Assist Illuminator, press the MODE and ­ buttons at the same time until the disappears. · The AF-Assist Illuminator can be used with the Nikon AF camera when AF Nikkor lenses are used. Autofocus distance range with the AF-Assist Illuminator is from approx. · For autofocus with the AF-Assist Illuminator, set the camera's focus mode to Single Servo AF (Autofocus with Focus-Priority), AF or A. (See your camera's instruction manual. ) · The AF-Assist Illuminator does not turn on when the focus is locked or when the ready-light does not light up. · When using the SB-50DX, the camera's AFAssist Illuminator does not turn on but the AFAssist Illuminator on the SB-50DX turns on. However with F60-series/N60 and SB-50DX's flash mode set to manual, AF-Assist Illuminator of the F60-series/N60 turns on. (See your camera's instruction manual. ) · With some cameras, AF-Assist Illuminator of the SB-50DX may not turn on when performing double flash shooting using the camera's built-in Speedlight (p. 42, 54). With cameras having selectable focus areas Set the camera's AF area mode to Single Area AF and select the center focus area, or set Dynamic AF Mode with Closest Subject Priority. (If center focus area is not selected in Single Area AF mode, the AF-Assist Illuminator does not turn on). For detailed information about AF area mode, see your camera's instruction manual. · Canceling AF-Assist Illuminator · To cancel the AF-Assist Illuminator, press the MODE and ­ buttons at the same time until appears in the LCD panel. · With the AF-Assist Illuminator canceled, autofocusing may not be performed in dim light. · To activate the AF-Assist Illuminator, press the MODE and ­ buttons once again so disappears. (Without this operation, the AF-Assist Illuminator remains canceled even after the SB-50DX is turned off. ) · With the F80-series/N80-series and F65series/N65-series camera bodies, canceling the AF-Assist Illuminator on the SB-50DX does not cancel the AF-Assist Illuminator on camera body. To cancel the AF-Assist Illuminator, also cancel it on the camera body. (For details, see your camera's instruction manual. ) 36 37 Detailed Operation Example Photos Flash output level compensation (p. 35) + compensation TECHNICAL OPERATION No compensation This chapter shows photographic techniques in flash shooting such as bounce flash and multiple flash. ­ compensation No compensation 38 39 Bounce-Flash Photography When taking pictures of a person in front of a wall, a direct flash often causes harsh, unattractive shadows on the subject or background (photo below, right). By bouncing the light off the ceiling or walls, you can soften the shadows and produce more natural-looking portraits (left and center photos). In addition to the general single-flash bounce operation (center photo), the SB-50DX enables you to perform double-flash bounce operation when used with a camera having a built-in Speedlight (photo below, left). [. . . ] See "When using the Nikon F70-series/N70 or PRONEA 600i/PRONEA 6i" on p. · When performing double-flash operation with F80-series/N80-series cameras, Power Zoom function (p. In this case ZOOM and mm blink in the SB-50DX's LCD panel; turn the SB-50DX power off and then turn it on again. 11 16 2. 0-3. 3 2. 0-4. 9 2. 0-5. 6 2. 0-6. 2 2. 0-7. 5 2. 0-2. 3 2. 0-3. 6 2. 0-3. 9 2. 0-4. 3 2. 0-5. 2 2. 0 -- 2. 0-2. 6 2. 0-2. 6 2. 0-3. 0 2. 0-3. 6 -- 2. 0 2. 0-2. 3 2. 0-2. 6 11 16 22 11 16 22 32 16 22 32 45 TTL auto flash shooting distance range (ft. ) 69 Aperture 68 Miscellaneous Specifications Electronic construction Guide number (ISO 100, m/ft. ) Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry. Zoom-head position 14mm 24mm 28mm 35mm 50mm Guide number 12/39 18/59 20/66 22/72 26/85 · See p. [. . . ]