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DPChallenge Forums >> Current Challenge >> Is Focus Stacking permissible in Advanced?
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11/16/2014 11:03:10 AM · #1
I know we can "create your entry from 1-10 captures of a single scene (defined as a scene whose composition/framing does not change)." I am assuming that this is to provide for both HDR and focus stacking in images, but I just want to make sure since even minor focus tweaks at macro levels could conceivably alter composition and framing enough to say that it is not identical in each frame.

So, assuming a tripod mounted camera with a macro lens and no movement (or addition) of anything other than the focus ring across a series of shots, should I be confident in the idea that I don't risk DQ?
11/16/2014 11:09:14 AM · #2
I got validated with this focus stacking photo:

night time in the fish tank

I was biting my nails the whole time because I wasn't sure. She had to hold very still while I took 3 different photos with a different focal point.
11/16/2014 11:10:31 AM · #3
Yes, focus stacking is allowed in advance
11/16/2014 11:33:00 AM · #4
That's a resounding affirmative. Have at it!
11/16/2014 03:04:58 PM · #5
Thanks!!
11/16/2014 08:15:26 PM · #6
This was a macro made from10 exposures using focus stacking. The foreground would get larger and larger as the focus moved to the back of the watch. This, too, was validated.

03/17/2015 05:50:15 PM · #7
I know this was from last year but I am bumping this instead of starting a new thread.

With my D60 only having 3 focus points, Left, Center, Right, I am loving to try something new and do a focus stacking for the next challenge

Tips on photo stacking would be great!

Would I have to edit each separate photo before merging them all together or would I just go about it and merge then do the editing/processing?

Tips/tricks?

Message edited by author 2015-03-17 17:50:42.
03/17/2015 06:42:31 PM · #8
Originally posted by jgirl57:

... Would I have to edit each separate photo before merging them all together or would I just go about it and merge then do the editing/processing?

Tips/tricks?


Best practice is to acquire your images as RAW using manual control of exposure and white balance. Process the RAW files using the same settings to get as close to your final intent as possible. Export the processed files using your choice of format. Use TIFF if you need to retain 16-bit depth, or JPEG if file size is a concern and you don't need the data depth. Then use your choice of methods to stack.
03/18/2015 02:04:08 AM · #9
Thank you

That worked pretty slick!

I practiced on some paper towels, one thing I noticed is that in photoshop after you get them stacked, I ended up with some white edges after they were aligned and blended. Is this pretty normal to expect this after each stacking you do?

This was just taken with two photos


After I cropped it, this is what I came up with..
I really like this kind of processing, really fun to play around with

Practice one

Message edited by author 2015-03-18 02:06:42.
03/18/2015 06:49:27 AM · #10
This one was focus stacking with 10 images!



Message edited by author 2015-03-18 06:49:53.
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