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Old May 21, 2013, 5:02 PM   #1
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Default Very specialized question

This may not be appropriate for this forum: if not maybe someone could suggest a better site.

I want a setup that will allow me to do macrophotograhy with the following requirements:

Automatic stepping of the focus over about a 3 cm distance with a 1-2mm step. At each step I need to be able to take up to 5 shots, each at a different exposure. Ideally all of this would be done without me having to perform any manual steps.

Does anyone know of an available setup using stepper motors and built-in abilities of a camera that could achieve this?

many thanks
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Old May 21, 2013, 5:12 PM   #2
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G'day Mike

Yes - a very specialised setup

Best I can do is refer you to Australia's top photographer who does this sort of stuff

sample ... http://www.ausphotography.net.au/for...8242-Sugar-Ant

web portfolio ... http://jgknight.smugmug.com

Hope it gets you somewhere
Regards, Phil
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Old May 21, 2013, 5:14 PM   #3
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Default wow!

Quote:
Originally Posted by Ozzie_Traveller View Post
G'day Mike

Yes - a very specialised setup

Best I can do is refer you to Australia's top photographer who does this sort of stuff

sample ... http://www.ausphotography.net.au/for...8242-Sugar-Ant

web portfolio ... http://jgknight.smugmug.com

Hope it gets you somewhere
Regards, Phil
That's what I call a fast response. Many thanks Phil, I will look him up.
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Old May 22, 2013, 11:42 AM   #4
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While it doesn't quite meet your requirements, but if you don't mind turning a knob you could get a set of macro rails with the mm marked on them and a camera capable of one shutter release 5 shot exposure bracketing. Then you set it up for your first shot, push the button and let the camera do its 5 shots, then move the knob on the macro focusing rails the appropriate amount. Be prepared to buy one of the better focusing rails though - I have Really Right Stuff's rails and between it and my camera, I'd be able to do it (take 5 shots, move the camera forward or backward 1-2 mm then take another 5 shots). Now if you want something that would automatically move the camera forward, then I don't know. And if you wanted the camera to automatically take the pictures like with interval shooting, since I've never used interval shooting I don't know if you could use exposure bracketing with the interval function.

Good luck with it, it sounds like an interesting project.
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Old May 22, 2013, 12:22 PM   #5
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Hardware solution
Stack-Shot - Will step you camera on servo rails.
http://www.cognisys-inc.com/stackshot/stackshot.php
expensive run 600-700$us by the time you have all the components and battery to run remotely


Software solution
helicon-focus - will rack the lens through a range of focus points taking a shot at each, then combine them.
http://www.heliconsoft.com/heliconso...helicon-focus/

Not sure either of these option can take multiple exposures at each point.


Update: actually the docs for both products say they can do multiple exposures hdr along with stacking
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Last edited by PeterP; May 22, 2013 at 12:41 PM.
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Old May 22, 2013, 1:34 PM   #6
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Thanks to Phil and his sample links
here is the program jgknight is using for his great stacking work!

http://zerenesystems.com/cms/stacker
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