Hardcore modding on a A530, thanks to CHDK! - page 4 - Hotwire! Hardware Mods, Accessories and Insights - CHDK Forum
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Hardcore modding on a A530, thanks to CHDK!

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Offline spectroplasm

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Re: Hardcore modding on a A530, thanks to CHDK!
« Reply #30 on: 21 / August / 2013, 05:43:18 »
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Hey David :) yes I am aware of the extreme telephoto of the lens on the small sensor, but I'm not concerned with it as the test images I've done are satisfactory to me already :) also the shallow depth of field I get with the camera is very pleasing to my eyes.

The only drawback to this is figuring out how to knock that auto contrast the camera does to my images if I move from bright to dark areas in a scene and vice-versa. I'll post a test footage here to show the results so far :)


this is a demo picture from a Carl Zeiss Jena Biotar 2/58 lens taken at wide open f2, standing distance from subject was a meter away. I'm loving it :)
« Last Edit: 21 / August / 2013, 10:59:29 by spectroplasm »
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Offline srsa_4c

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Re: Hardcore modding on a A530, thanks to CHDK!
« Reply #31 on: 21 / August / 2013, 12:10:22 »
Quote from: spectroplasm on 21 / August / 2013, 05:43:18
The only drawback to this is figuring out how to knock that auto contrast the camera does to my images if I move from bright to dark areas in a scene and vice-versa.
If you're talking about video, see the following threads:
http://chdk.setepontos.com/index.php?topic=5295.50
http://chdk.setepontos.com/index.php?topic=6113.0

If the fisheye correction in live view/video starts bothering you, you can use the following Lua commands to switch it off/on:

Code: [Select]
call_event_proc("Capture.Create") -- needs to be executed only once per session
call_event_proc("LiveImageTool.Dister",<value>) -- <value> is 0 to switch correction off, 1 to switch it onYou need to enable 'Lua native calls' in the CHDK Misc menu for the above to work.
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