Exposure Control in Movie mode - Feature Requests - CHDK Forum
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Exposure Control in Movie mode

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Offline Stimpy

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Exposure Control in Movie mode
« on: 11 / February / 2008, 11:38:52 »
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Is there any way to engage exposure lock when shooting in movie mode?

As an alternative, perhaps it's possible to force movie recording when the camera is in manual mode? - this way you would have complete control over ISO, shutter speed and aperture when shooting movies.





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Offline europanorama

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Re: Exposure Control in Movie mode
« Reply #1 on: 27 / November / 2008, 23:58:15 »
i have the same question. very important.
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A590 IS-1.01b(x5), SX130IS-101c(x3), 101f(x2)
3dstereo-aeropanorama-Jungfraujoch
http://www.stereopan.tk
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Offline ewavr

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Re: Exposure Control in Movie mode
« Reply #2 on: 28 / November / 2008, 03:11:53 »
For A-series cameras, press "+/-" button to lock exposure (or "disp" for cameras without "+/-" button), then "left" and "right" to adjust exposure ("fast video control"  must be turned off). Press "+/-" again to return to auto exposure mode.

For S-, SX-, G-, some A- and SD- series read user's manual, this feature already present in firmware.
« Last Edit: 28 / November / 2008, 03:18:21 by ewavr »
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Offline fe50

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Re: Exposure Control in Movie mode
« Reply #3 on: 28 / November / 2008, 05:13:12 »
The Ixus series (at least the newer ones) support AFL (Focus Lock) and AEL (Exposure Lock) + exposure conrol in video mode.

For the Ixus 860 (SD870) the keys are (when already in video mode):

UP (ISO): the exposure bar is shown (this is the AEL indicator) and the exposure is locked - with LEFT/RIGHT the exposure can also be adjusted (disable it with UP)

shutter half-pressed + LEFT: AFL enabled (disable it with LEFT)
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