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DPChallenge Forums >> Current Challenge >> Deep DOF
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04/04/2022 06:05:18 PM · #1
Is focus stacking allowed?
04/04/2022 07:01:21 PM · #2
Originally posted by tanguera:

Is focus stacking allowed?

IMO since it's not flagged with a Special Rule or Minimal editing it is probably technically "legal" but outside the "spirit" of the challenge.
04/04/2022 07:51:42 PM · #3
When I scheduled this one, I intentionally left that on the table. It is legal in Standard, so it is legal for this challenge. From my perspective, getting a good focus stack is as difficult as setting a proper hyperfocal distance; it's just that a deeper DOF will be possible, if you cna get the blends right!
04/04/2022 08:04:51 PM · #4
Originally posted by kirbic:

When I scheduled this one, I intentionally left that on the table. It is legal in Standard, so it is legal for this challenge. From my perspective, getting a good focus stack is as difficult as setting a proper hyperfocal distance; it's just that a deeper DOF will be possible, if you cna get the blends right!

Then I think you should have left out the reference to aperture in the description as that (strongly) implies that is the requested method of DOF control (hence the need for this thread).
04/04/2022 08:18:43 PM · #5
Sounds like a good SC sidebar. :-) Mark? Robert? Where are you? :-)
04/04/2022 09:26:58 PM · #6
FWIW, the description in no way implies that proper selection of aperture is the sole determinant of a successful deep DOF image. It is certainly a component of any successful deep-DOF image.
04/04/2022 10:19:41 PM · #7
Originally posted by kirbic:

FWIW, the description in no way implies that proper selection of aperture is the sole determinant of a successful deep DOF image.

Originally posted by Challenge Description (emphasis added):

Take control of your aperture this week and photograph a scene where everything is in focus.

I don't see any other suggested technique(s) ... I'm just saying it should/could have been omitted entirely if you wanted it open to anything other than single-shot entries; "Deep DOF" and "N/A" would have been fine ...
04/05/2022 07:48:58 AM · #8
IMO, the description does not "fit" the challenge. Just because my DOF is "large", does not mean everything is in focus ... shutter speed kinda plays a role too ...
04/05/2022 09:35:35 AM · #9
I have removed the challenge description altogether, thereby deep-sixing any ambiguity. I was going to change it to "Show us an image where everything's in focus" but then I thought well, if we do that then the nit-pickers will deduct points for the slightest bit of anything OOF on macro shots, where the BG is ALWAYS OOF, and at that point I thought "less is more" so there's no longer a description. The challenge title says it all.

Soldier on!

ETA: I see I am following in GeneralE's footsteps here :-) FWIW, the challenge description was a cut 'n paste from the previous iterations of the challenge. Oddly, I can't recall any angst over the description THAT time, but so it goes...

Message edited by author 2022-04-05 09:39:26.
04/05/2022 10:26:21 AM · #10
Originally posted by Bear_Music:

FWIW, the challenge description was a cut 'n paste from the previous iterations of the challenge. Oddly, I can't recall any angst over the description THAT time, but so it goes...

It's possible that focus-stacking wasn't as readily available (or wasn't allowed) at that time ...
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