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HDC-900/950 IMM
4-9 (E)
4-6. Registering the Lens File
4-6. Registering the Lens File
The white shading which occurs when the extender is turned on, flare balance, white balance, F value of
the open edge of the lens, name, etc. can be stored. Up to 16 files can be stored. The adjustment data can
be called by selecting the lens file. This data will be stored in the camera.
As for the items to be stored, refer to Section 4-8,“ File Items”.
The lens file stores the differential data from the reference file.
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. Prior to creating the lens file, perform the necessary adjustments by using the lens normally used to
create the reference file.
. As for the setup menu, refer to Section 3.
Adjusting the Lens File
(1) Mount the lens. Select the file with the same name of the lens mounted from the setup menu.
If no file with the same lens name, select “NO OFFSET”.
[FILE] → [LENS|FILE] → [No.] → (Select the No.)
(2) Set the lens file name and F value of the open edge of the lens.
(3) With the lens extender set to OFF, adjust V modulation of R/G/B/Master. Shoot the all white pattern,
set the iris F4 and zoom position to the center of the ring, and perform the adjustment around 560 mV
of 80% video level. Also adjust the flare balance and white balance shooting the grayscale chart.
(4) Store the data in the lens file. Set the setting menus as follows.
[FILE] → [LENS|FILE] → [STORE|FILE]
(5) Set the extender to ON, adjust the V modulation of R/G/B/Master shooting the all white pattern, and
adjust the flare balance and white balance shooting the grayscale chart.
(6) Store the data in the lens file.
(7) If the lens center deviates when the lens extender is switched to ON/OFF, store the center marker
under the extender is ON state. Adjust [CENTER|H|POS] and [CENTER|V|POS] at the
[LENS|FILE] page, and execute [STORE|CENTER].
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The center marker will not be stored when the lens file is stored.
Calling the Lens File
Select the lens file set by the setup menu as follows.
[OPERATION] → [LENS|FILE]
Initializing the Lens File
Set the setup menu as follows.
All data of the lens file being currently selected will be initialized to the factory setting values.