Nikon SB-50DX Bedienungsanleitung PDF herunterladen (Seite 18)

3534

Detailed Operation

Exposure Compensation in Flash Photography

Exposure compensation lets you intentionally modify the correct

exposure. Exposure can be controlled when a subject of high reflectivity

is included in a picture, or when you want to create flash photographs

that are somewhat brighter or darker to match the subject or your creative

preferences. Some plus compensation may be necessary when the

background includes a mirror, white wall or other highly reflective surface.

Likewise, some minus compensation may be required when the

background is dark or includes subjects of low reflectivity.

You can compensate exposure on both the foreground subject and

background, or compensate exposure on only the subject.

• To compensate exposure on both subject and background in TTL/

D-TTL auto flash mode

• In TTL/D-TTL auto flash mode (p. 25), use the camera’s exposure

compensation function (see your camera’s instruction manual).

• The exposure compensation value set on the camera is not displayed in the

SB-50DX LCD panel.

• Exposure compensation beyond the usable ISO film speed (sensitivity) range

for TTL/D-TTL auto flash (p. 21) cannot be performed. For example, making a

+3 compensation with ISO 100 film (sensitivity) corresponds to ISO 12, which

is out of the usable ISO speed (sensitivity) range (ISO 25 to 1600). With ISO

100 film (sensitivity), you can make plus compensation up to +2

(corresponding to ISO 25).

• To compensate exposure on both subject and background in

Manual flash mode

• In Manual flash mode (p. 31), proper aperture (or standard aperture) for correct

exposure can be determined by the equation using the guide number (p. 33).

You can intentionally change the aperture to compensate exposure.

• To make the subject brighter, use a wider aperture (smaller f-number); to make the

subject darker, use a narrower aperture (larger f-number).

• To compensate exposure on only the foreground subject

• In TTL/D-TTL auto flash mode, adjust the SB-50DX flash output level (flash

output level compensation, p. 35).

• Flash output level compensation is possible only when using cameras of

Group I, II, III or Nikon digital SLR cameras (p. 28).

Controlling background exposure in flash photography

By setting Slow Sync (p. 20) or by selecting a slower shutter speed than flash

sync speed in Shutter-Priority Auto or Manual exposure mode, you can bring

out background details using all of the available light. Available flash sync

modes and exposure modes vary depending on the camera being used. (See

your camera’s instruction manual.)

By adjusting flash output level, you can compensate exposure on a flash-

illuminated subject while keeping the same background exposure. Flash

output level compensation can be performed with cameras of Groups I, II

and III and Nikon digital SLR cameras.

• Flash output level compensation can be

performed with cameras of Groups I, II and III

and Nikon digital SLR cameras. With cameras of

Group III, set flash output level compensation on

the camera. (For details, see your camera’s

instruction manual.)

• In TTL/D-TTL auto flash mode, press the + or –

button to adjust flash output level. The LCD

panel shows the compensated value with ~

symbol.

• You can adjust the flash output level from –3 to

+3 EV in 1/3 steps (or in 1/6 steps with Nikon

digital SLR cameras).

• With a camera having the flash output level

compensation function (i.e., F80-series/N80-

series, F70-series/N70 or PRONEA 600i/

PRONEA 6i), you can set flash output level

compensation either on the camera or on the

SB-50DX. (Compensation range and step

depend on the camera. See your camera’s

instruction manual). Or, you can add

compensation values set on the camera to the

value set on the SB-50DX (or vice versa). Note

that, in this case, the SB-50DX LCD panel shows

the compensation value set on the SB-50DX

only.

• To cancel flash output level compensation, press

the + or – button until the value indication shows

"0" and ~ disappears in the LCD panel. (Turning

the SB-50DX off does not cancel the flash output

compensation.)

Flash Output Level Compensation

(See photos on p. 38.)

SB-50DX (E) 02.12.9 2:33 PM Page 34

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