11.Confirm the flange-back adjustment on the lens as fol-

Iows.

-Aim the camera at a dark object more than 2m (6 f.) from the camera.

-Zoom in (from wide-angle to tele) with the Zoom Rlng/Lever (96) or the Servo Zoom Control (222) or

(235)of the Lens Control Kit, and adjust the lens focus with the Focus Ring (95) or the Focus Controller (226) or (237) of the Lens Control Kit

-Zoom out (from tele to wde-angle) and confirm that the picture is in focuss. If not, the flange-back of the lens should be adjusted according to the Instructions ‘in 'Lens Flange-back Adjustmen' on page 54

12.Zoom in/out until the desired composition is achieved Focus the lens until the object is in Sharp focus by watching the picture in the vlewfinder

LENS FLANGE-BACK

ADJUSTMENT

If the flange-back is not adjusted correctly, correct focus- ing cannot be mantained through the entire zoom range.

-Aim the camera at a dark object more than 2m (6 ft) away from the camera and loosen the Flange-back Lock Knob (96)

-Zoom in (from wide-angle to tele) wih the Servo Zoom Control (69) and adjust the lens focus with the Focus Ring (95)

-Zoom out (from tele to wlde-angle) and adjust the focus by turning the Flange-back Adjustment Ring (99).

-Zoom in again and adjust the focus by turning the Focus Ring

-Newly, zoom ouf and, if necessary, adjust the focus wih the Flange-back Adjustment Ring.

-Repeat this process until correct focus is malntalnad throughout the entire zoom range When the adlust- ment has been completed, tighten the Flange-back Lock Knob.

----Once the flange-back of the zoom lens has been adjusted, no further adjustment is necessary unless the lens is changed.

IRIS GAIN CONTROL IN A LENS

An iris gain control hole is usually provided in the front of a lens. Adjustment of the iris gain, with a screwdriver

through the hole may be done as follows: (Shape and location of the hole may vary depending on the lens make.)

1Turn the iris selection switch to Position A (AUTO).

2 Rotate the iris gain control to the maximum galn but in a range where no hunting or oscillating of the irirs ring develops.

ADJUSTMENT

Gen-lock Adjustment

When using one or more cameras in a system which

includes a special effect generator,a gen-lock adjust- ment is required.

Camera Head

Remote Control Unit

Horizontal Phase Adjustment

This should be adjusted so that the phase of the horizontal blanking of the colour bar signal from the camera matches that from the Special Effects Generator by adjustment with

Adjustment with RCU (RCB) Controls:

The horizontal phase of the camera signal can be adjusted by using the Horizontal Phase Control for Gen-lock (138) Inside the side cover of RCU (RCB)

Colour Phase Adjustment

This should be adjusted so that the colours of the colour bars from the camera are simllar to the colours af the colour bars generated by the Special Effects Generator

Adjustment with Camera Controls:

1.Set the Scene Flle Selectlon Switch (10) to the position 1, 2 or 3

2. Set the Colour Bar/Night Eye/Camera Selection Switch (27) to the BAR position

3. Set the User Set Swich (18) to the position 1

Note: When Settlng this switch to the position 2, black and white video signal is output.

4. Move the cursor onto the SC COARSE positlon by using the item Switch (14).

5.The Subcamer Coarse Control can be made by using the Up (15) and Down (16) Swich.

6.Move the cursor onto the SC FINE position by using the item Switch (14)

7.The Subcarrier Fine Control can be made by using the Up (15) and Down (16) Switch

Adjustment with RCU (RCB) Controls:

The Colour phase of the camera signal can be adjusted by using the SC Phase Controls for Gen-lock (139) or (197) inside the side over of RCU (RCB)

AUTOMATIC IRIS ADJUSTMENT

When install or change the lens, automatlc iris adjustment should be done before operation.

Refer to page 17 for the details

- Automatic iris adjustment when lens is changed

 

Turn power on while pressing the item (ITEM/AWC)

switch.

The lens iris is automatically opened and closed for

auto-

matic iris adjustment. It will be completed in around

30

seconds

 

- 54 -

elther the camera or RCU (RB) Controls

Adjustment with the Camera Controls:

1Set the Scene Flle Selectlon Swtch (10) to the positlon 1, 2 or 3

2Set the Colour Bar/Night Eye/Camera Selectlon Switch

(27)to the BAR position

3Set the User Set Switch (16) to the positlon 1

Note: When Setting this switch to the position 2. black and whlte video signal is output.

4Move the cursor onto the H PHASE by using the item Switch (14)

5Adfust the Horizontal Phase by using the Up (15)/ Down (16) Switch

Page 26
Image 26
Panasonic AW-F575E manual Lens FLANGE-BACK Adjustment, Iris Gain Control in a Lens, Automatic Iris Adjustment