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Author Topic: Canon 5DS for macro  (Read 2327 times)

wmchauncey

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Canon 5DS for macro
« on: November 18, 2015, 07:11:34 am »

I shoot a fair amount of stacked floral stuff in macro using a 180 macro lens...
any thoughts on using a 5DS were I to upgrade? Big images are my goals.
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Bart_van_der_Wolf

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Re: Canon 5DS for macro
« Reply #1 on: November 18, 2015, 07:32:29 am »

I shoot a fair amount of stacked floral stuff in macro using a 180 macro lens...
any thoughts on using a 5DS were I to upgrade? Big images are my goals.

Hi,

Should be an awesome combination, although the small sensel pitch and higher resolution will require narrower/more focus slices to cover the DOF distance.

Helicon Remote, version 3.6.2 and later supports the 5DS, (or similar apps) would allow to calibrate/finetune the automatic step sizes with AF lenses. With a focus rail and/or manual focus lenses one typically uses a fixed magnification factor, which makes it easy to calculate the constant step distances for bridging the DOF zones between slices.

Cheers,
Bart
« Last Edit: November 18, 2015, 07:51:46 am by BartvanderWolf »
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wmchauncey

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Re: Canon 5DS for macro
« Reply #2 on: November 18, 2015, 04:38:46 pm »

Thanks for responding Bart...I currently use PS 2015 for stacking while shooting tethered using Canon Utility Software.
It allows camera control from the computer...never used a focusing rail although I understand the concept.

It's the merging for large prints that is creating headaches....which is why I looking at the 5DS R.
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Bart_van_der_Wolf

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Re: Canon 5DS for macro
« Reply #3 on: November 18, 2015, 05:10:48 pm »

Thanks for responding Bart...I currently use PS 2015 for stacking while shooting tethered using Canon Utility Software.

That'll work if the number of slices doesn't get too large. Otherwise, I'd prefer Helicon Remote for tethered shooting, because it allows to automate a lot of the tedious repetition (and avoid skipping slices), and they even have an Android App and an iOS version for tablets. The App can be used/evaluated for free if shooting small JPEGs (Demo license version), for Raws and large sizes one needs a paid license. This all works fine with AF lenses, just set the front and rear DOF focus position, and the App does the rest.

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It allows camera control from the computer...never used a focusing rail although I understand the concept.

A focus rail makes sense if very many slices are needed (e.g. with macros, and 100 shots per stacked image), with very high accuracy (one or several microns per slice). It prevents missing a slice, and can run unattended if an automatic rail is used. Helicon Remote also accommodates the StackShot version. It also interfaces seamlessly with Helicon Focus stacking software, very useful if you do this stuff a lot.

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It's the merging for large prints that is creating headaches....which is why I looking at the 5DS R.

Yes, that's why a 5DS / 5DS R should do very well. But Photoshop uses quite a lot of memory for stacking operations, so that may cause issues depending on your postprocessing hardware. That's another reason you'll want to get exactly the number of slices needed, and nothing more than that. The software can help with that.

Cheers,
Bart
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Phil Indeblanc

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Re: Canon 5DS for macro
« Reply #4 on: November 22, 2015, 12:50:29 pm »

you might want to find a way to isolate the lens and move the 5Ds. I found that as the lens moves it introduces distortions as the point of view is changed. With the back moving you dont have this problem.
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elf

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Re: Canon 5DS for macro
« Reply #5 on: November 27, 2015, 01:56:39 am »

Zerene Stacker is another option which is also better than Photoshop.

Internal focusing, moving camera and lens, moving just the camera (changing bellows draw), and moving the subject all work well in the right circumstances.  I usually move just the camera as this allows the entrance pupil to remain in one place for stitched and stacked panoramas.
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