Iso Auto Setting; High-Iso Nr; Slow Shutter Speed Nr - Pentax 645 Z Manual Reference

ISO AUTO Setting

Sets the range in which the sensitivity
is automatically adjusted when the
sensitivity is set to ISO AUTO.
The manner in which the sensitivity is
increased can be specified in [AUTO
ISO Parameters].
H Slow Increases the sensitivity as little as possible.
I Standard (Default setting)
J Fast Actively increases the sensitivity.
Memo
• When [HDR Capture] of the A1 menu is set and [Auto Align] is set
to on, [AUTO ISO Parameters] is fixed to J.
A2/v
Sets the Noise Reduction setting when
ISO AUTO Setting ISO AUTO Setting
shooting with a high ISO sensitivity.
100 100 - - 3200 3200
AUTO ISO Parameters AUTO ISO Parameters
Cancel Cancel OK OK
Auto
Low/
Medium/
High
Custom
Off
When [Custom] is selected, select
[Setting] and set the noise reduction
level according to the ISO sensitivity.
Sets how the Noise Reduction function works during long
exposures.
AUTO
ON

High-ISO NR

Applies Noise Reduction at optimally calculated levels
throughout ISO range.
Applies Noise Reduction at constant chosen level throughout
ISO range.
Applies Noise Reduction at user-defined levels for each ISO
setting.
Does not apply Noise Reduction at any ISO setting.

Slow Shutter Speed NR

The camera determines the camera conditions, such as the shutter
speed, sensitivity, and internal temperature, and reduces noise as
necessary.
Reduces noise at shutter speed of 1 second or slower.
A2/v
High-ISO NR High-ISO NR
Auto Auto
Low Low
Medium Medium
High High
A
Custom Custom
Off Off
Cancel Cancel OK OK
High-ISO NR High-ISO NR
1 2
100 100
200 200
400 400
800 800
1600 1600
3200 3200
6400 6400
Reset Reset
A2/v
R17