Nikon D5 - Manual (Page 10)

10
Movie ISO Sensitivity Settings
ISO sensitivity can be adjusted in
movie mode (in live view or during
recording).
• ISO sensitivity (mode M): Choose the ISO
sensitivity for exposure mode M from
values between ISO 100 and Hi 5. Auto
ISO sensitivity control is used in other exposure modes.
• Auto ISO control (mode M): Select On for auto ISO sensitivity control
in exposure mode M, Off to use the value selected for ISO sen-
sitivity (mode M).
• Maximum sensitivity: Choose the upper limit for auto ISO sensitivity
control from values between ISO 200 and Hi 5. Auto ISO sensitiv‑
ity control is used in exposure modes P, S, and A and when On is
selected for Auto ISO control (mode M) in exposure mode M.
l
Auto ISO Sensitivity Control
At high ISO sensitivities, the camera may have difficulty fo-
cusing and noise (randomly-spaced bright pixels, fog, or
lines) may increase. This can be prevented by choosing a
lower value for Movie ISO sensitivity settings > Maximum
sensitivity.