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Pentax 645D User Manual

Pentax 645D
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49
Shooting Functions
3
AE lock is a function that locks the exposure prior to taking the
picture.
1 Press the L button.
The camera locks the exposure. @ is
displayed on the status screen and in
the viewfinder while the AE lock is
engaged.
Press it again to cancel the AE lock.
Memo
The exposure remains in memory for between half and twice the
amount of the meter operating time, even after you take your finger
off the L button.
You will hear a beep when the L button is pressed. You can
change the setting with [Beep] in the [R1] menu. (z p.R24)
When the AE lock is set in a mode, you can change the shutter
speed and aperture value while maintaining the exposure value.
AE lock is not available in p or M mode.
When any of the following operations are performed, AE lock is
canceled.
The L button is pressed again
The Q button, 3 button or M button is pressed
The mode dial is turned
The metering mode switching lever is turned
The lens is changed
The lens with an aperture s position is set to the s position or
is switched to another position
When using a zoom lens whose maximum aperture value varies
depending on the focal length, the shutter speed and aperture
value change depending on the zooming position while the AE lock
is engaged. However, the exposure value does not change and a
picture is taken at the brightness level set by the AE lock.
Exposure can be locked when the focus is locked. Set this with [5.
AE-L with AF Locked] in the [A1] menu. (z p.R30)
AE Lock
e_kb487.book Page 49 Wednesday, December 8, 2010 9:49 AM

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Pentax 645D Specifications

General IconGeneral
Sensor TypeCCD
Sensor Size44 x 33 mm
Effective Pixels40 megapixels
Autofocus Points11
Image ProcessorPRIME II
Continuous Shooting Speed1.1 fps
Screen Size3.0 inches
Screen Resolution921, 000 dots
Viewfinder TypePentaprism
Viewfinder Coverage98%
Storage MediaDual SD/SDHC card slots
Dimensions156 x 117 x 119 mm
Camera TypeDigital SLR
Shutter Speed1/4000 to 30 sec
Battery TypeRechargeable Lithium-Ion Battery
Weight1480 g

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