Prosilica GT Technical Manual V2.4.1
69
Camera interfaces
IrisVideoLevel
attribute.
PirisManual
allows manual control of
LensPIris-
Position
.
Prosilica GT large format cameras
Electro-Focus (EF) lens control is available on the Prosilica GT1930L cameras.
EF lens control allows focus and aperture control via host software.
Operation
•
Connect an EF lens to the camera before powering up the camera.
•
Power up camera, and open camera control software.
•
Use
EFLensInitialize
command to initialize the EF lens. This command is
automatically executed on power up and/or when lens is attached to cam-
era.
•
Adjust the focus and aperture using
EFLensFocus
and
EFLensFStop
con-
trols, respectively.
•
If lens does not operate as expected, see
EFLensState
and
EFLensLastError
.
www
P-Iris controls are described further in the following docu-
ments:
PvAPI users
GigE Camera and Driver Attributes
document
VIMBA and third-party software users
:
document
www
For a list of P-Iris supported lenses, along with their
LensPIris-
Frequency
and
LensPIrisNumSteps
specifications:
www
See
Modular Concept
for information on lens mount options
available with Prosilica GT large format cameras:
Caution
The max power supplied via PoE is 13 W. EF lens power require-
ments will vary from lens to lens; however, typical ratings are
in the 3–4 W range.
Should your lens + camera power requirements exceed 13 W,
it will be necessary to power the camera via Hirose.