HDRlapse.lua - an HDR intervalometer with fast shooting - Completed and Working Scripts - CHDK Forum
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HDRlapse.lua - an HDR intervalometer with fast shooting

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Offline waterwingz

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HDRlapse.lua - an HDR intervalometer with fast shooting
« on: 15 / December / 2013, 15:55:56 »
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I've linked a script that combines the fast shooting techniques discussed here : HDR_Fast_Shooter with intervalometer code and a few other goodies. 

Download link : HDRlapse.lua

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Offline JvdP

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #1 on: 24 / December / 2013, 08:20:43 »
This is a great idea. Keen on trying this script. But I was wondering why you didn't built it in the Ultimate Intervalometer? After all, it's called "Ultimate"  :D
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Offline waterwingz

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #2 on: 24 / December / 2013, 11:54:28 »
Quote from: JvdP on 24 / December / 2013, 08:20:43
This is a great idea. Keen on trying this script. But I was wondering why you didn't built it in the Ultimate Intervalometer? After all, it's called "Ultimate"  :D
It seems that there is always just one more feature needed.  I'll add it to "the list".

Perhaps I should have called it penultimate.lua ? Except that does not fit nicely into the 8.3 file naming limitation imposed by Microsoft's patent trolling.

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Offline JvdP

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #3 on: 25 / December / 2013, 04:53:48 »
Well, then certainly the name "ConstantlyBecomingMoreUltimate.lua" wouldn't fit either...  :xmas
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Offline kosmarnik

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #4 on: 19 / April / 2014, 06:59:46 »
Hi, currently I'm using a regular intervalometer with the self-timer set to N photos and 0 delay and CHDK bracketing in continuous mode.

Would  this be faster?

Oh, might as well measure it....
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Offline kosmarnik

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #5 on: 19 / April / 2014, 07:37:09 »
Tested it on SX40HS.. got weird results.

In Manual mode set at 1/60, it took the first photo at 1/2000 and the rest at 1/3200.

In Aperture priority it started went 1", 0.3", 1/4, 1/30, 1/50, 1/320, 1/200, and 1/3200 till the end.

Setting for the script were default:
Number of Steps: 3,
1/2 f-stops per step: 2,
Shot Mode: burst.
Interval (Seconds): 2 s.


Changing the Shoot mode to fast made it more a bit more reliable:
1", 0.5", 1/4
1/15, 1/30, 1/60 till the end
But it slow, around 0.5 FPS


Using bracketing with self-timer, yields ~500-650ms between frames.

I guess it's not compatible with SX40HS.
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Offline waterwingz

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #6 on: 19 / April / 2014, 09:34:25 »
Quote from: kosmarnik on 19 / April / 2014, 07:37:09
Tested it on SX40HS.. got weird results. In Manual mode set at 1/60, it took the first photo at 1/2000 and the rest at 1/3200. In Aperture priority it started went 1", 0.3", 1/4, 1/30, 1/50, 1/320, 1/200, and 1/3200 till the end.
The script wants the camera to be in P or Auto mode as it uses the camera's initial exposure reading & settings for the first shot then brackets from there.

Quote
I guess it's not compatible with SX40HS.
Camera model should not affect it.  Initial shooting mode will.   I guess I can get the script to check that and show a warning message if necessary.

Edit :  this script (and those like it) will never be as fast as the camera's built-in bracketing modes - if your camera has such modes.   I believe the SX40 & SX50 do.
« Last Edit: 19 / April / 2014, 09:55:31 by waterwingz »
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Offline kosmarnik

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #7 on: 19 / April / 2014, 10:23:53 »
Quote from: waterwingz on 19 / April / 2014, 09:34:25
Quote from: kosmarnik on 19 / April / 2014, 07:37:09
Tested it on SX40HS.. got weird results. In Manual mode set at 1/60, it took the first photo at 1/2000 and the rest at 1/3200. In Aperture priority it started went 1", 0.3", 1/4, 1/30, 1/50, 1/320, 1/200, and 1/3200 till the end.
The script wants the camera to be in P or Auto mode as it uses the camera's initial exposure reading & settings for the first shot then brackets from there.

Ah, yes, tried it now and it's working.

Quote
Quote
I guess it's not compatible with SX40HS.
Camera model should not affect it.  Initial shooting mode will.   I guess I can get the script to check that and show a warning message if necessary.

Edit :  this script (and those like it) will never be as fast as the camera's built-in bracketing modes - if your camera has such modes.   I believe the SX40 & SX50 do.

Well, your script is faster then self-timer. I measured ~300ms between the shots.
Though I usually want everything on manual, so I'll have to take a proper look at the script, see if I could modify it for my purposes. At most I'd use Av aperture priority, everything else on manual.

Is there a specific reason why you chose only P/A modes for this script?


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Offline waterwingz

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #8 on: 19 / April / 2014, 10:51:59 »
Quote from: kosmarnik on 19 / April / 2014, 10:23:53
Well, your script is faster then self-timer. I measured ~300ms between the shots.
That's very good - much faster that most older or cheaper cameras can achieve.

Quote
Though I usually want everything on manual, so I'll have to take a proper look at the script, see if I could modify it for my purposes. At most I'd use Av aperture priority, everything else on manual.
Here you go :  mHDLapse.lua - full manual

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Is there a specific reason why you chose only P/A modes for this script?
As stated in my previous post,  the script "meters" the scene using the build in camera half-press mode and then brackets accordingly.  Just like 99% of people never use anything other than P or AUTO mode on their P&S cameras or consumer DSLR's, the script works that way too.
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Offline Stormrunner25

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Re: HDRlapse.lua - an HDR intervalometer with fast shooting
« Reply #9 on: 30 / August / 2015, 05:15:07 »
Quote from: waterwingz on 19 / April / 2014, 10:51:59
Quote from: kosmarnik on 19 / April / 2014, 10:23:53
Well, your script is faster then self-timer. I measured ~300ms between the shots.
That's very good - much faster that most older or cheaper cameras can achieve.

Quote
Though I usually want everything on manual, so I'll have to take a proper look at the script, see if I could modify it for my purposes. At most I'd use Av aperture priority, everything else on manual.
Here you go :  mHDLapse.lua - full manual


Ok so I go to use the script and I get an error code . My camera is a sx50hs
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