LDX 86 High Frame Rate/HD/3G/4K Camera Platform User’s Guide (v2.0)
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Chapter 4 - Video setup
Press the
GAMMA
button, the
NEXT
button, the
NEXT
button again and switch on
CONTRAST
. Select
SHADOWS
,
MIDTONES
or
HIGHLIGHTS
to adjust the luminance level for
each range between 0 and 99.
In the camera menu, navigate to the
CREATIVE
CONTROL
>
LEVELS
>
CONTRAST
menu and
switch
CONTRAST
on. Use the
SHADOWS
,
MIDTONES
or
HIGHLIGHTS
items to adjust the
luminance level for each tonal range between 0 and 99.
Values below 50 decrease luminance levels while values above 50 increase levels.
☞
Note
☞
Note
Contrast adjustment is always applied after Gamma.
4.4.2 Black Stretch
The Black Stretch function changes the level of tones in the shadow areas of the picture
without affecting the rest of the picture.
Press the
BLACK
button and switch on the
BLACK
STR
item. Use the
BLACK
LVL
item to
adjust the Black Stretch level from 0 to 99.
In the camera menu, navigate to the
PRODUCTION
SETUP
>
LEVELS
>
BLACK
menu and
switch on the
BLACK
item. Adjust the Black Stretch level from 0 to 99 using the
BLACK
STR
LEVEL
function.
Values below 50 are Black Press, values higher than 50 are Black Stretch.
☞
Note
☞
Note
Black Stretch is applied independently from Gamma.
When Black Stretch is switched on the
non-standard
indicator in the viewfinder lights (only for
ocular viewfinders).
4.5 Knee
Knee is a function that compresses the wide dynamic range of the video signal coming from
the imager into the more limited video output range.
OCP
CAM
0
100
0
20
40
60
80
100
Black
S
tretch
Black Press
OCP
CAM
