Exposure warning, About the l button – Pentax *ist IST DS User Manual
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The shutter speed and aperture value
are displayed on the viewfinder and the
LCD panel. Of the shutter speed and
aperture, the value being adjusted is
underlined in the viewfinder. While
adjusting the shutter speed or aperture
value, the difference with the
appropriate exposure (EV value) appears at the bottom right of the
viewfinder. The appropriate exposure is when [0.0] is displayed.
• Blinks when the difference with appropriate exposure is over ±3.0.
• Set the shutter speed and aperture values in increments of 1/2EV or 1/3EV.
Set in [Expsr Setting Steps] in the [A Custom] menu. (p.142)
• Set the aperture to the s position while
holding down the auto-lock button when
using a lens with an aperture ring.
Difference from the
appropriate exposure
Exposure Warning
You are out of the measuring area if the
shutter speed and aperture blink.
Use an ND (Neutral Density) filter if the
subject is too bright.
Use a flash if it is too dark.
About the L Button
The aperture and shutter speed are automatically adjusted to the
appropriate exposure at that moment if the L button is pressed
in a (Manual) mode.
Shutter speed is adjusted to appropriate exposure according to lens
aperture when lens aperture is not set to s position.
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