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#1 Jamesparsons74
I am moderately experienced with time-lapse, looking to add focus ramping to my sequences. I have NO clue where to start. Any reference material or advice is appreciated.
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#2 KidsOfAllAges
You need a lens motor (or a camera that supports lens ramping, like Canon DSLRs with MagicLantern).
If you want to use a lens motor, you will need a keyframeable controller. Since Focus is not linear, simple A-B moves usually won't work with focus (depending on your subject).
I would recommend that you have a look at the eMotimo Spectrum & Lens motor. They have some examples how to use it on their website.


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#3 yimiblu
(2017-02-26, 21:20)Jamesparsons74 Wrote: I am moderately experienced with time-lapse, looking to add focus ramping to my sequences. I have NO clue where to start. Any reference material or advice is appreciated.

Or you can use an external stepper motor that you can control with arduino and a belt. :Smile
I made something similar trying to get stacking focus macro images, but it could be useful for your idea Smile

Javi
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#4 aaube
If you use Canon or Nikon, scroll down to the 2nd video...
http://www.timelapseplus.com/view/

Regards,

Alain

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