Panasonic HPX500 Operating Instructions - Page 92

Adjusting the Lens Flange Back, White Shading Compensation, Selecting White Shading, Compensation Data - lenses

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Chapter 5 Preparation Adjusting the Lens Flange Back If images are not clearly focused at both telephoto and wide-angle positions during zoom operations, adjust the flange back (distance from the lens mounting surface to the image formation surface). Once adjusted, the flange back does not need to be re-adjusted as long as the same lens is mounted on the camera. Please also refer to the lens instruction manual for directions on adjustment and locations of individual lens parts. 1 Mount the lens on the camera. • Make sure you connect the lens cable. 2 Set the lens iris to manual, and fully open the iris. Approximately 3 m 7 Set the zoom ring to the wide-angle position and turn the F.f ring to bring the chart into focus. • While focusing, take care not to move the distance ring. 8 Repeat Steps 5 to 7 until the lens is in focus at both the telephoto and wideangle positions. 9 Firmly tighten the F.f ring clamping screw. White Shading Compensation The camera can use DEFAULT (fixed value) and three user adjustable functions (USER1, USER2, USER3) to store white shading compensation data. Select SHADING SELECT in the setting menu LENS SETUP screen to set compensation data. Selecting OFF turns off shading compensation. Selecting White Shading Compensation Data 3 Place the flange back adjustment chart about 3 m from the lens and adjust the lighting on the chart to obtain an appropriate video output level. • If the video level is too high, use the filters or the shutter. 4 Loosen the F.f (Flange focus) ring clamping screw. F.b (Flange back) may be indicated on some lenses. 5 Set the zoom ring to the telephoto position, either manually or by electric drive. 1 Open the setting menu LENS SETUP screen. For details on menu operation, refer to [Using the menus] (page 116). 2 Use the JOG dial button to select SHADING SELECT, then press the JOG dial button. LENS SETUP SHADING SELECT SHADING(USER) CAC PROPERTY CAC CARD READ CAC FILE DELETE CAC FILE INIT IRIS ADJUST DEFAULT OFF PUSH MENU TO RETURN 6 Aim the lens at the flange back adjustment chart and turn the distance ring to bring the chart into focus. 92 Mounting and Adjusting the Lens

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92
Mounting and Adjusting the Lens
Chapter 5 Preparation
Adjusting the Lens Flange
Back
If images are not clearly focused at both telephoto and
wide-angle positions during zoom operations, adjust
the flange back (distance from the lens mounting
surface to the image formation surface).
Once adjusted, the flange back does not need to be
re-adjusted as long as the same lens is mounted on
the camera.
<Note>
Please also refer to the lens instruction manual for
directions on adjustment and locations of individual
lens parts.
1
Mount the lens on the camera.
•
Make sure you connect the lens cable.
2
Set the lens iris to manual, and fully
open the iris.
3
Place the flange back adjustment chart
about 3 m from the lens and adjust
the lighting on the chart to obtain an
appropriate video output level.
•
If the video level is too high, use the filters or
the shutter.
4
Loosen the F.f (Flange focus) ring
clamping screw.
<Note>
F.b (Flange back) may be indicated on some
lenses.
5
Set the zoom ring to the telephoto
position, either manually or by electric
drive.
6
Aim the lens at the flange back
adjustment chart and turn the distance
ring to bring the chart into focus.
7
Set the zoom ring to the wide-angle
position and turn the F.f ring to bring
the chart into focus.
•
While focusing, take care not to move the
distance ring.
8
Repeat Steps 5 to 7 until the lens is in
focus at both the telephoto and wide-
angle positions.
9
Firmly tighten the F.f ring clamping
screw.
White Shading
Compensation
The camera can use DEFAULT (fixed value) and three
user adjustable functions (USER1, USER2, USER3) to
store white shading compensation data.
Select SHADING SELECT in the setting menu LENS
SETUP screen to set compensation data. Selecting
OFF turns off shading compensation.
Selecting White Shading
Compensation Data
1
Open the setting menu LENS SETUP
screen.
For details on menu operation, refer to [Using
the menus] (page 116).
2
Use the JOG dial button to select
SHADING SELECT, then press the JOG
dial button.
PUSH
MENU
TO
RETURN
SHADING(USER)
SHADING SELECT
LENS SETUP
DEFAULT
CAC PROPERTY
CAC CARD READ
CAC FILE DELETE
CAC FILE INIT
IRIS ADJUST
OFF
Approximately 3 m