SD990 - page 8 - DryOS Development - CHDK Forum
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SD990

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Offline hnikesch

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Re: SD990
« Reply #70 on: 26 / March / 2009, 19:55:25 »
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Quote from: reyalp on 26 / March / 2009, 00:05:37
I'm not convinced the CHDK battery meter is calibrated correctly yet, I just copied the values from some other camera with the same battery. Feedback appreciated.

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I use 3975 / 3425  this seems to to work on both my SD900 and the SD990
« Last Edit: 26 / March / 2009, 20:02:07 by hnikesch »
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It is better to burn a roll of film than curse the darkness Equip, S100 w/CHDK, SD900 w/CHDK, SD990 w/CHDK & Pentax K2000, Pentax Kr
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Offline hnikesch

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Re: SD990
« Reply #71 on: 26 / March / 2009, 19:57:42 »
Quote from: reyalp on 26 / March / 2009, 00:05:37
I'm not convinced the CHDK battery meter is calibrated correctly yet, I just copied the values from some other camera with the same battery. Feedback appreciated.


I use 3975 / 3425  this seems to to work on both my SD900 and the SD990 they use the same battery
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It is better to burn a roll of film than curse the darkness Equip, S100 w/CHDK, SD900 w/CHDK, SD990 w/CHDK & Pentax K2000, Pentax Kr
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Offline hnikesch

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Re: SD990
« Reply #72 on: 26 / March / 2009, 20:10:48 »
Quote from: Awol on 26 / March / 2009, 02:13:25
Oh size is definitely important for me. I want a small camera that can fit in my pocket. How does the SD990 compare to the other SD's in terms of image quality?

see attached shots cropped shots from the 990 vs the 900  house is near the end at left of the image, the 990 is a real up grade from the 900 also the 900 is an visable IQ increase over the SD 850
« Last Edit: 26 / March / 2009, 21:16:53 by hnikesch »
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It is better to burn a roll of film than curse the darkness Equip, S100 w/CHDK, SD900 w/CHDK, SD990 w/CHDK & Pentax K2000, Pentax Kr
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Offline ewavr

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Re: SD990
« Reply #73 on: 27 / March / 2009, 02:53:06 »
« Last Edit: 27 / March / 2009, 03:04:50 by ewavr »
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Offline reyalp

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Re: SD990
« Reply #74 on: 27 / March / 2009, 03:08:35 »
Yeah, got it it :)
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Offline garloff

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Re: SD990
« Reply #75 on: 27 / March / 2009, 11:41:54 »
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openSUSE, Canon IXUS 980 IS
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Offline Marcel2087

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Re: SD990
« Reply #76 on: 28 / March / 2009, 06:51:08 »
reyalp, Thank you so much for the good work. I played around with the chdk a little now and was able to shoot amazing pictures, especially with EV bracketing.
What I don't get yet is how to make SDHC cards easy to work with. Whenever I boot from the small partition, chdk boots automatically, as it should, but the camera tries to save photos on the small partition, where there is not enough space. After swapping the partitions, it doesn't boot anymore but has to be loaded manually. I somewhere read that, when booting from the small partition, chdk autmatically selects the bigger partition for saving the photos...is that possible somehow with the current build?
Again, thanks so much, also for all the others that contribute so nicely!
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Offline mikemikemike

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Re: SD990
« Reply #77 on: 28 / March / 2009, 12:12:29 »
reyalp, I just repeat to try run the auto iso and it looks like working has no problem.
Most likely I was always use ISO3200 with auto iso which will cause inconsistent effect to the camera.
Also, I have tested MF override and it also works without problem. This made the MF very useful to this camera since I can snapshot a known distance object lighting fast.

Thank you for your great work.

Also, may I know how to get more information on how to develop CHDK for SD990?  I know C language but I really have no idea how to develop CHDK. Can you show me how to get more information??





« Last Edit: 28 / March / 2009, 12:14:52 by mikemikemike »
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Offline reyalp

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Re: SD990
« Reply #78 on: 28 / March / 2009, 18:29:48 »
Quote from: mikemikemike on 28 / March / 2009, 12:12:29
Also, may I know how to get more information on how to develop CHDK for SD990?  I know C language but I really have no idea how to develop CHDK. Can you show me how to get more information??
There's really no shortcut to understanding the code if you want to work on it.

The wiki http://chdk.wikia.com/wiki/For_Developers can help you get started.

http://chdk.wikia.com/wiki/Modifying_the_CHDK_Sources gives you a rough overview of the source.

A lot of the camera specific stuff requires you to have a decent knowledge of ARM assembly and how the canon firmware works.
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Offline mikemikemike

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Re: SD990
« Reply #79 on: 30 / March / 2009, 00:05:33 »
reyalip,  Thank a lot for your information.

I have played with CHDK for almost 2 days. I keep trying to take RAW from 980IS and comare with the jpg. I find that Canon 980IS output jpg is already very good. Digic IV de-noise is amazing and I cannot see much advantage that the noisy RAW files over camera jpg. (jpg won't loss too much detail after de-noise !)
However, the CHDK auto-iso is really useful for me. 
Also, is there any way to hide some CHDK function? Or how can we customize the CHDK menu / or create some shutcut key for fast access?
I think that most of the function in CHDK may not be useful to some users.





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