Lens adjustments and checks
Flange back adjustmentProceed with the image settings.
2
The flange back (distance from the lens mounting surface to the1 Shoot a piece of paper with no color unevenness.
image formation surface) is adjusted when a subject cannot be2 Set the lens iris to manual, and adjust it so that a zebra
brought into focus precisely using either the telephoto or the widepattern fills the whole screen. Check that the lens iris is
angle positions when performing zoom operations.between f/4 and f/11.
Once the flange back has been adjusted, it need not be re-adjusted
<Notes>
unless the lens is replaced. For details on the adjustment method
eFlicker tends to occur under fluorescent lights, mercury lamps
and lens positions, refer to the operating instructions of the lens
and other such lighting conditions. Use sunlight, halogen
concerned.
lamps or a light source which rarely give rises to flicker.
eIf there is unevenness in the lighting, the zebra pattern will no
longer appear on some parts of the screen. In this situation,
adjust the lighting position, etc.
White shading check
eAdjust the lighting position, etc. also when the lens iris is not
This unit enables the fixed data supporting three types of lens andbetween f/4 and f/11.
the data supporting any desired adjustments to be used for whiteeThe electronic shutter must be left at the OFF setting.
shading compensation. This data can be selected using LENS
SHADING on the sub-menu (see page 37).
First, check that the type of lens used and the settings match. TheAdjust the white balance and black
3
fixed data settings are as follows:balance.
Type A:Data for S18 k 6.7BERM4 (etc.) lenses.1 Set the WHITE BAL selector switch to A or B, and use the
Type B:Data for YH18 k 6.7KRS (etc.) lenses.
AUTO W/B BAL switch to execute the automatic white
Type C:Data for S14 k 7.3BRM lens.
balance adjustment (AWB).
If the lens to be used does not correspond to any of these types,
2 Use the AUTO W/B BAL switch to execute the automatic
proceed to adjust the white shading described below by performing
black balance adjustment (ABB).
menu operations.
3 Once again, use the AUTO W/B BAL switch to execute the
automatic white balance adjustment (AWB).
White shading adjustment
Repeat the operation in step 2-2.
4
<Note>
Coloring may occur in the vertical direction near the open setting of
the lens iris even when the white shading has been adjusted. ThisProceed with the white shading
5
phenomenon is a characteristic inherent to lenses and opticaladjustment.
systems, and it is not indicative of a failure.
1 Proceed with the menu operation (page 31), and open the
sub-menu LENS SHADING screen.
Proceed with the camera settings for the
12 Turn the JOG dial button to align the cursor with LENS
adjustment.
SELECT, and press the button. Then turn the JOG dial
1 Mount the lens on the camera.button further to align the cursor with USER, and press the
Do not forget to attach the lens cable.button to select this item.
2 Set the electronic shutter to OFF and the gain to L (0 dB).3 Use the JOG dial button to align the cursor with SHADING
3 If the lens comes with an extender, disengage the extender(USER), and select this item.
function.ACTIVE appears on the screen to indicate that the white
4 Proceed with the menu operation (page 31) to open the sub-shading is being automatically adjusted. The adjustment is
menu <LENS SHADING> screen, and set OLENS SELECT�completed when the ACTIVE display is cleared and OK
to USER.appears.
4 Press the MENU button to close the menu screen.
If the lens comes with an extender, engage
6
the extender function, and repeat steps 2
through 5.
AWB memory
selector switch
SHUTTER
switchGAIN: L (0 dB)
AUTO W/B BALMENU button
switchJOG dial button
15 |
ACEC
