![background image](/i/pentax/152357/pentax-645d/h/pentax-645d-124.png)
R14
Re
c. M
ode
Me
nu
A
Sets the quality level (compression ratio) of images when the
file format is set to JPEG.
Memo
• You can also set this by turning the
R
dial while pressing the
w
or
x
button. (
z
Sets the automatic adjustment range
and how to increase the sensitivity
when [Sensitivity] is set to [AUTO].
Select [ISO AUTO] and then select the
adjustment range and AUTO ISO
parameters. (The default settings are
[ISO 200 - 400] and
s
.)
AUTO ISO Parameters
Memo
• This function is not available when the exposure mode is set to
K
,
a
,
p
or
M
.
• The sensitivity range can be expanded to a range of ISO 100 to
1600 when [3. Expanded Sensitivity] (p.R30) in the [
A
1] menu is
set to [On]. Note, however, that the following restrictions apply.
• Setting the sensitivity range to ISO 1600 makes overexposed
areas more likely to occur in the image.
• When [Highlight Correction] is set to
O
(On) in [D-Range
Setting] (p.R14) in the [
A
1] menu, the minimum sensitivity is
ISO 200.
Expands the dynamic range and the
light level expressed by the CCD
sensor and prevents bright and dark
areas from occurring. Set [Highlight
Correction] to
O
or
P
(default setting),
and set [Shadow Correction] to off
(default setting), low, medium or high.
Memo
• When [Highlight Correction] is set to
O
(On), the minimum
sensitivity is ISO 400. When [3. Expanded Sensitivity] (p.R30) is
set to [On] in the [
A
1] menu, the minimum sensitivity is ISO 200.
JPEG Quality
A
1
Quality Level
Compression Ratio
C
Best (default setting)
1/4.5
D
Better
1/8
E
Good
1/16
ISO AUTO Adjustment
A
1
u
Slow
Increases the sensitivity as little as possible
s
Standard
Standard (default setting)
a
Fast
Actively increases the sensitivity
ISO AUTO Adjustment
On
200
400
-
MENU
OK
Cancel
OK
D-Range Setting
A
1
D-Range Setting
Highlight Correction
Shadow Correction
MENU
e_kb487.book Page 14 Wednesday, December 8, 2010 9:49 AM