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Focus Stacking Requirements

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 Posted 08/31/2016  4:17 pm Show Profile   Bookmark this topic Add andywoj00 to your friends list Get a Link to this Message Number of Subscribers

Quote:
In another thread, Ray said:

Next step is focus stacking. It's actually pretty easy to do, so when you're ready we can walk you through the process. First steps will be using CZP, so do a search for CombineZP and download the code. Taking the pics is pretty easy, and you can start with manual focusing, probably 4-5 shots in the stack.


Ray and others,

If I want to jump right in to the stacking world, would it be prudent to pickup an XYZ linear stage to help with the incremental moves needed to get equivalent/accurate stack images?

Or, is it better just to use the lens ring if I'm using a macro lens and make fine adjustments? Or better yet, use the focus rail on the <$300 stand setup?

I was also considering a goniometer section/stage to use with the XYZ stage to get the proper coin tilt sometimes needed to get coin topography fully lit for pics, particulary with proof and super lusterous coins.

I'm having issues in LiveView now with trying to get proof-like LSC's to come out like proofs vs. flat with dark areas.

Ultimately, I would only be working with coins with a max size of 40.6mm (ASE's). Would it be better to get a 40mm or 60mm XYZ setup?
Edited by andywoj00
08/31/2016 4:19 pm
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 Posted 08/31/2016  6:36 pm  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply
Why do you need XYZ? Once you position the coin all you change is the Z axis motion.
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 Posted 08/31/2016  6:36 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list Get a Link to this Reply
I'd recommend just getting a 60mm Z-stage to get started. They are not too expensive and are easy to work with. You can integrate XY later if you want it. If you are really going for it, then go for the integrated 40mm XYZ on ebay right now for $129. Very good price. It's much easier to find 40mm goniometers than 60mm.
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 Posted 08/31/2016  6:37 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list Get a Link to this Reply

Quote:
Why do you need XYZ? Once you position the coin all you change is the Z axis motion.


Having XY is really nice at higher magnifications.
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
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