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8.[Adjustment ] Shutter speed adjustment by histogram
*Method for adjustment is the same as 76830 (K10D) and 76700(K100D)
[Caution1]
When replaced 0-
E
000 or T100, this adjustment is required.
[Caution2]
[Adjustment (BV adjust) and M-Test] should be completed before execute this adjustment.
[Required equipment]
□
Programmed software for 77420 (Kr_PDCAdj)
□
PC (Windows Xp with equipped USB port)
□
Diaphragm set ring F8 (KA-0-1A) and
M
aster lens D20 or D20-01(or FA50mm F1.4)
□
Light source which has LV8 or LV9
□
USB cable
□
AC adaptor
kit
□
Scale (To prevent scratch, plastic scale is recommended)
8-1.Setting the camera
①
Setting the camera as follows.
Mode dial: [M], Focus lever: [MF]
WB: Tungsten light
Taking picture: Instant review [Display time: 5 second, Setting Histogram display]
Custom setting: 1. EV Steps --- [2: 1/2 EV]
2. Sensitivity steps --- [2: As AV steps]
22. Using Aperture Ring --- [2: Permitted] (When attached master lens)
②
Setting for Light source, Tv and ISO
LV8
LV9
Shutter speed (ms)
1/250
1/4000
1/500
1/4000
ISO sensitivity
ISO200
ISO3200
ISO200
ISO1600
*Set lens aperture full open (F1.4)
8-2.Procedure for taking picture
①
Set the light value at LV8 (or LV9) and Set lens aperture full open (F1.4).
②
Set ISO sensitivity to 200 and Tv250.(If using LV9, set ISO200 and Tv500)
③
Attach F8 setting ring and master lens D20 or D20-01 to the camera. (Or FA50mm F1.4)
④
Set the camera to the light source--- [Note] To avoid the light from outside, shield the light source.
⑤
Capture 3 images. Put mark by such as paper tape at peak of average (Right end) as shown in figure
below. ---
Standard data
⑥
The same light value and aperture. Set ISO sensitivity to 3200 and Tv4000 (If using LV9, set ISO1600
and Tv4000)
⑦
Set the camera to the light source and capture 5 images then put mark at peak of average
---
Tv4000(Adjust Tv)