Nikon D3, Руководство пользователя

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ISO Sensitivity Settings
The settings available depend on the option selected for Custom Setting
b1 ([ISO sensitivity step value], pg. 314).
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Hi 0.3–Hi 2
The settings [Hi 0.3] through [Hi 2] correspond to ISO sensitivities 0.3–2 EV
over ISO 1600 (ISO 2000–6400 equivalent). Pictures taken at these
settings are more likely to be subject to noise and color distortion.
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Lo 0.3–Lo 1
The settings [Lo 0.3] through [Lo 1] correspond to ISO sensitivities 0.3–
1 EV below ISO 100 (ISO 80–50 equivalent). Use for larger apertures when
lighting is bright. Contrast is slightly lower than normal; in most cases, ISO
sensitivities of ISO 100 or above are recommended.
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See Also
For information on Custom Setting b1 ([ISO sensitivity step value]), see
page 314. For information using the [High ISO NR] option in the shooting
menu to reduce noise at high ISO sensitivities, see page 300.
Custom Setting b1
(ISO sensitivity step value)
ISO sensitivity settings available
1/3 step
(default)
Lo 1, Lo 0.7, Lo 0.3, 100,125,160, 200, 250,
320, 400, 500, 640, 800, 1000, 1250, 1600,
Hi 0.3, Hi 0.7, Hi 1, Hi 2
1/2 step
Lo 1, Lo 0.5, 100,140, 200, 280, 400, 560, 800,
1100, 1600, Hi 0.5, Hi 1, Hi 2
1 step Lo 1, 100, 200, 400, 800, 1600, Hi 1, Hi 2
*
If possible, the current ISO sensitivity setting is maintained when the
step value is changed. If the current ISO sensitivity setting is not
available at the new step value, ISO sensitivity will be rounded up to the
nearest available setting.