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Powershot SX620 HS CHDK

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Offline blackhole

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Re: Powershot SX620 HS CHDK
« Reply #80 on: 15 / March / 2020, 14:06:57 »
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@Caefix  or anyone else
Are there any problems with this port or we can add it to svn?
RAW will be disabled in Hybrid_auto, Handheld_night_scene, High_speed_burst and Low_light modes.
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Offline Caefix

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Re: Powershot SX620 HS CHDK
« Reply #81 on: 17 / March / 2020, 13:22:19 »
 :xmas I would summarize: There´s more fun with then without.
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Offline reyalp

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Re: Powershot SX620 HS CHDK
« Reply #82 on: 21 / March / 2020, 17:16:41 »
Any reason not to enable in the autobuild?
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Offline Caefix

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Re: Powershot SX620 HS CHDK
« Reply #83 on: 24 / March / 2020, 13:55:15 »
 :) Time will tell.
Quote from: reyalp on 21 / March / 2020, 17:16:41
Any reason not to enable in the autobuild?
Same ?? for Ix170...
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Offline Stephan van Helden

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Re: Powershot SX620 HS CHDK
« Reply #84 on: 08 / May / 2020, 13:33:56 »
Have used it for quite a while, though not all functions, but could not find any issue. Only thing is that you shouldn't use the camera while CHDK is still starting. Like, when you power on and immediately take picture (while CHDK is still initializing) the splash screen may not go away or something like that. But seems absolutely ready for 'official' publishing.
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Offline reyalp

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Re: Powershot SX620 HS CHDK
« Reply #85 on: 08 / May / 2020, 16:30:35 »
Quote from: Stephan van Helden on 08 / May / 2020, 13:33:56
Have used it for quite a while, though not all functions, but could not find any issue.
Thanks, it's great to have user feedback. I've enabled it in autobuild 5484 :)
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Only thing is that you shouldn't use the camera while CHDK is still starting. Like, when you power on and immediately take picture (while CHDK is still initializing) the splash screen may not go away or something like that.
FWIW, if it's a purely visual issue, you can turn the splash screen off in settings. Testing on elph130 and elph180, booting directly to rec mode and shooting worked, but the splash screen does block the live view through the first shot. It goes away normally after that. If you see something worse than that, please let us know.

Thinking about this, as a general CHDK feature it might be a good idea to hide the splash immediately on half press, so it's less likely to interfere with shooting.
edit: added this change in 5485
« Last Edit: 08 / May / 2020, 18:56:59 by reyalp »
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Offline magbp

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Re: Powershot SX620 HS CHDK
« Reply #86 on: 19 / June / 2020, 13:26:30 »
I would like to use my SX620HS as UAV FPV Camera.

Could you say if its possible to externalize screen on av out (hdmi or usb) while controlling mode / zoom... ?
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Offline reyalp

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Re: Powershot SX620 HS CHDK
« Reply #87 on: 19 / June / 2020, 14:14:01 »
Quote from: magbp on 19 / June / 2020, 13:26:30
Could you say if its possible to externalize screen on av out (hdmi or usb) while controlling mode / zoom... ?
Definitely not with HDMI, only a few high end cameras support HDMI out in rec mode.

This camera does not appear to support standard def video out either, based on it not being mentioned in the manual, and the fact it uses micro USB (For standard def, Canon used a proprietary extension of the mini USB plug, and they don't appear to have carried this over to the micro USB cams).

That means your only option for this cam would be chdkptp live view. To use that, you'd need a USB host on board (something that runs a full linux OS, like a raspberry pi, not a microcontroller) and use the display output of that for you FPV. This is probably not a good solution, unless you already have a capable host device onboard already, and maybe not even then.

The alternative is to find a different camera that supports TV out. The specs will mention analog video out for the ones that do, and "AV Cable AVC-DC400" will be mentioned in accessories. The manual will tell you if it natively supports video out in shooting mode. If it does, the section found from "TV" in the index will mention it. If not, it will just talk about playback.

CHDK can enable analog video out in shooting mode for some cameras, but only those that physically support analog video out. See https://chdk.setepontos.com/index.php?topic=13451.msg143315#msg143315
Only a few cameras are supported so far. It's likely that more can be added easily, but not guaranteed.

To use analog video and USB control simultaneously, you will need a custom splitter like mentioned on https://chdk.fandom.com/wiki/USB_Remote#Note:_combined_USB_.26_Video_Connector
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Offline Axidoys

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Re: Powershot SX620 HS CHDK
« Reply #88 on: 29 / July / 2020, 16:51:13 »
Hello ! :)
I'm very new to CHDK and i'm glad to see that a port have begun for my SX620.
I'm especially interested in astrophotography (yes, it is the poor version of the hobby xD), and I think that I cannot focus properly without the MF developped in CHDK, if you don't agree, please tell me how (private message or here, i do not know what is the best).

I think that this feature is not yet developped but and I'm not sure (it is present from the options..), can you please confirm it for me?


Maybe I could work on this project as a developper, is there a group for those who dev on this port ? (Discord, github/gitlab, etc.)

Thanks you in advance.
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Offline waterwingz

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Re: Powershot SX620 HS CHDK
« Reply #89 on: 29 / July / 2020, 18:21:17 »
Quote from: Axidoys on 29 / July / 2020, 16:51:13
Maybe I could work on this project as a developper, is there a group for those who dev on this port ? (Discord, github/gitlab, etc.)

You are already commenting in the group used by the CHDK developers.

You might also be interested in this :  CHDK Wiki and the section For Developers

Why do you think the manual focus function in CHDK is not available on the SX620?
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