Focus 70 Live Highly Affordable HD System Camera User’s Guide (v1.1)
63
Chapter 5 - Video setup
Tip
✎
V-Shift can also be used to remove color shifts that may occur when shooting DLP-type
projectors.
5.7.4 Variable exposure time
When shooting computer monitors with higher frame rates than the camera’s you can use
variable exposure to avoid horizontal bars in the picture.
Press the
EXP. TIME
button and set
EXP
SEL
to Var. Now change the
VAR
EXP
to remove the
horizontal bar. You can set the
EXP
UNITS
item on the next page to the preferred read-out: Hz
or mSec.
When you are finished shooting the monitor go to the
EXP
SEL
item and switch it back to
Nom. The exposure time returns to its previous non-variable setting.
Use the
exposure time
switch on the camera to select variable exposure time. Or, in the
camera menu, navigate to the
PRODUCTION
SETUP
>
EXPOSURE
>
EXP
TIME
menu and set
EXP
TIME
SEL
to Var. Now change the
VAR
EXP
TIME
to remove the horizontal bar. You can set
the
UNITS
item to the preferred read-out: Hz or mSec.
When you are finished shooting the monitor go to the
EXP
TIME
item and switch it back to
Nom or use the
exposure time
switch. The exposure time returns to its previous non-variable
setting.
☞
Note
☞
Note
When Variable Exposure is switched on, the
non-standard
indicator in the viewfinder lights
(only for ocular viewfinders).
5.7.5 LED Wall Filter
When shooting against LED Wall backgrounds that contain high frequencies, interference may
occur, resulting in unwanted moiré patterns. A special electronic filter is available that can be
used to reduce these effects:
In the camera menu, navigate to the
PRODUCTION
SETUP
>
EXPOSURE
item and switch
LED
WALL
FILTER
on.
5.8 Color
5.8.1 Color Temperature
For true color reproduction the ambient lighting conditions must be compensated for by
selecting a value for the color temperature. The standard file setting is 3200 K (normally used
for tungsten and indoor lighting). Two other reference color temperatures are available: 5600 K
(for outdoors, clouded conditions) and 7500 K (for outdoors, clear blue skies).
The memory positions (FL50, FL60, AW1 and AW2) are available to store the results of the
auto-white measurement process. The memory positions store measured values using the
OCP
CAM
CAM
Summary of Contents for Focus 70 Live
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Page 18: ...18 Focus 70 Live Highly Affordable HD System Camera User s Guide v1 1 Chapter 1 Introduction ...
Page 74: ...74 Focus 70 Live Highly Affordable HD System Camera User s Guide v1 1 Chapter 5 Video setup ...
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