Author Topic: Bulb ramping demos  (Read 40071 times)

a1ex

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Bulb ramping demos
« on: June 12, 2012, 09:23:20 PM »
First try of ML bulb ramping:

Focus ramping:

robinson brothers

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Re: Bulb ramping demos
« Reply #1 on: June 17, 2012, 03:37:37 PM »
I got to learn how to do this. Good job!

a1ex

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Re: Bulb ramping demos
« Reply #2 on: June 18, 2012, 08:22:14 PM »
Another bulb ramping test:




Camera: 60D
Lens: Samyang 8mm at f5.6
Intervalometer set to 30 seconds
Metering: median, reference brightness at 20%
Shutter speed: from 1/4000 to 28 seconds
ISO: from 200 to 3200 (HTP)
Image quality: sRAW

Postprocessing:
1) developed the RAW files at +1 and +3 EV
2) enfuse
3) defishing (with nona)
4) MSU deflicker
5) frame merger ( bit.ly/frame-merger )

screamer

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Re: Bulb ramping demos
« Reply #3 on: June 20, 2012, 05:55:30 PM »
Wow, it's absolutely fantastic, very stable and without flickering!!! i love it
always trying to use the 100% of magic lantern..
Gear:
Canon 60D, all the samyang lenses, Canon 50 mm 1.4, Canon 60mm macro, Canon 70-300 usm, Sigma 4.5mm fisheye, Sigma 17-70 2.8, Canon 40mm f2.8 pancake, all the Lensbabies and a lot of other pieces, Flash metz 58 af2

coutts

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Re: Bulb ramping demos
« Reply #4 on: June 22, 2012, 02:48:24 PM »
cool stuff!

Arthur

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Re: Bulb ramping demos
« Reply #5 on: July 04, 2012, 03:15:03 AM »
This looks great, I can't wait to be able to do something like this on my 1100D too.

Though I can't bring myself to leave my camera out in the open without keeping an eye on it. It's quite dangerous here where I live, so leaving a camera like this it like asking for it to get stolen... Thinking again, even standing outdoors at night to keep an eye on it I'm also asking for it to get stolen... I guess I'll try it on my backyard first, then run to the mountains and stay there with a shotgun in my hands waiting for the time lapse to finish.
EOS 1100D | EF-S 15-55mm f/3.5-5.6 IS II (Kit lens)

scrax

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Re: Bulb ramping demos
« Reply #6 on: July 04, 2012, 04:17:56 AM »
...and stay there with a shotgun in my hands waiting for the time lapse to finish.

 ;D
I'm using ML2.3 for photography with:
EOS 600DML | EOS 400Dplus | EOS 5D MLbeta5- EF 100mm f/2.8 USM Macro  - EF-S 17-85mm f4-5.6 IS USM - EF 70-200mm f/4 L USM - 580EXII - OsX, PS, LR, RawTherapee, LightZone -no video experience-

Legushka

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Re: Bulb ramping demos
« Reply #7 on: July 04, 2012, 09:15:57 AM »
Beautifully :)
Can both "Focus ramping" and "First try of ML bulb ramping:" run?

thank you.
Canon eos 60d, firmware 1.1.1/sigma 10-20 + ML v2.3.RC2 + Nodal Ninja NN4

amarax

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Re: Bulb ramping demos
« Reply #8 on: August 12, 2012, 01:13:49 PM »
I don't know how do you do this....
My Exposure Ramp makes huge exposure incrementation all of a sudden. Shoots another hundred pictures of sunset quite smooth and then - bahh - starts shooting overexposed, then darkening conditions of the sunset compensate the overexposure, another hundred of shots and then again....

Moreover only shutter speed changes during Auto Exposure Ramping, although manual says it also has to change ISO. What ISO should I select? I use ISO 100.
Runing magiclantern-v2.3.550D.60D.600D.50D.500D.5D2 on Canon 60D

3pointedit

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Re: Bulb ramping demos
« Reply #9 on: August 12, 2012, 02:24:45 PM »
Love that new one a1ex. what kind of exposure was the camera making during the star streaks? Or is that a post processing feature that also eliminates the flickering?
550D on ML-roids

tornea.jp

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Re: Bulb ramping demos
« Reply #10 on: August 20, 2012, 05:43:34 AM »
Another bulb ramping test:





hi A1ex,

Would you mind sharing your speed/iso setting for sunset into night bulb ramping setting?  Obviously, speed during sunset is below 1 sec, twilight would be around 1-15 sec and star trail during night is about 20-30 sec at various iso i would suppose.  Would be nice to post settings as benchmark for all of us.

Thanks,
Jon

a1ex

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Re: Bulb ramping demos
« Reply #11 on: September 04, 2012, 11:55:23 AM »
Sure: first pic was at ISO 200 (HTP), 1/8000, and last pic was at ISO 3200 (HTP), 28 seconds. Aperture was probably at f5.6.

a1ex

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Re: Bulb ramping demos
« Reply #12 on: September 04, 2012, 01:09:27 PM »
Here's a bulb ramping shot with the 5D Mark II.


Location: Lee Valley, near London
Time: 18:00 - 21:00 ( => no star trails )
Camera: 5D Mark II
Shutter speed: 1/8000 ... 1s (so it wasn't really in bulb mode)
ISO: 200 with HTP (it wasn't dark enough to require higher ISOs; I should have stopped down at f22)
Lens: Samyang 8mm, probably at f5.6
Postprocessing: enfuse (HDR from a single RAW, 0, +3 and +5), defishing (projection: Panini General), VirtualDub with MSU deflicker.
Ramping speed: 0.1 EV / 30 seconds.

a1ex

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Re: Bulb ramping demos
« Reply #13 on: September 05, 2012, 09:23:03 AM »
And here's one with the 5D Mark III:


Time: 19h45 - 00h30
Lens: 50/1.8 stopped down at f4
Shutter/ISO range: 1/200 at ISO 200 (HTP) -> ramped up 15 seconds at ISO 1600 (HTP) just before the moonrise -> ramped down to 15 seconds at ISO 800 (HTP)
Post-processed with this script: magiclantern.fm/forum/index.php?topic=2553

Freelancer

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Re: Bulb ramping demos
« Reply #14 on: March 02, 2014, 10:09:03 PM »
Hi there,
I have installed the latest nightly build. I don't have the bulb ramping option on my 5D3.
What am I missing?

dmilligan

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Re: Bulb ramping demos
« Reply #15 on: March 03, 2014, 02:25:14 AM »
Hi there,
I have installed the latest nightly build. I don't have the bulb ramping option on my 5D3.
What am I missing?
go to http://www.magiclantern.fm/forum/index.php?action=search and type "bulb ramping"