Pentax 175743 Digital Camera User Manual


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1
Various Shooting Functions
46
Setting the ISO speed
In the [Shooting] menu, the ISO speed can be set in [ISO Setting/NR].
AUTO In ISO 100 – ISO 800, the camera automatically adjusts sensitivity accord-
ing to brightness, the distance to the subject, macro settings, and the
format.
Auto-Hi
(high sensitivity auto)
Thesensitivitycanbesethigherthanin[AUTO].
•
Inthe[Setup]menu,themaximumISOspeed,andtheISOspeedfor
switchingshutterspeedscanbesetin[ISO AUTO-HI Settings] .
ISO 100 – ISO 25600 Sensitivity is set to the selected ISO value.
Note -----------------------------------------------------------------------------------------------------------
• Inthe[Setup]menu,ISOspeedsettingstepscanbeselectedfrom[1EV]and[1/3EV]in[ISOSpeed
Step Settings]. Depending on settings, the following ISO speeds can be selected.
ISO Speed Step Settings Selectable ISO speeds
1EV ISO 100/ISO 200/ISO 400/ISO 800/ISO 1600/ISO 3200/ISO 6400/ISO
12800/ISO 25600
1/3EV ISO 100/ISO 125/ISO 160/ISO 200/ISO 250/ISO 320/ISO 400/ISO 500/ISO
640/ISO 800/ISO 1000/ISO 1250/ISO 1600/ISO 2000/ISO 2500/ISO 3200/
ISO 4000/ISO 5000/ISO 6400/ISO 8000/ISO 10000/ISO 12800/ISO 16000/
ISO 20000/ISO 25600
• In[AUTO]and[Auto-Hi],theISOspeedwillbedisplayedonthescreenwhentheshutterreleasebut-
ton is pressed halfway. The displayed ISO speed may differ from the actual setting when the flash is
used.
• Imagesshotwithahighersensitivitymayappeargrainy.
• Iftheflashisusedin[AUTO],thetopISOspeedwillbeincreaseduptotheequivalentofISO1600.
• If[DynamicRangeCorrection]issetinthe[Shooting]menu,theISOspeedsthatcanbesetarelim-
ited. (GP. 48)
• Inthe[KeyCustomOptions]menu,[ISO]canberegisteredtousein[ADJ.LeverSetting]or[SetFn
Button]. (GP.105,P.107)[ADJ.LeverSetting1]isregisteredasthedefaultsetting.
• Inthe[KeyCustomOptions]menu,if[ADJ.DirectISOControl]issetto[On],youcanchangetheISO
speed simply by moving the ADJ. lever left or right in P/Av/Tv modes.
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