Examples of when changing changing aperture in the same video clip?

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Discussion Overview

The discussion revolves around the necessity of changing the aperture during the shooting of a video clip, particularly in relation to depth of field and exposure. Participants explore scenarios where such adjustments may be required due to varying lighting conditions.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant asks for examples of when changing the aperture is necessary during a single video clip.
  • Another participant mentions the "Hitchcock Zoom" or "Dolly Zoom," but clarifies that this is not the intended topic of discussion.
  • A participant suggests that changing the aperture may be needed when transitioning from a dark room to direct sunlight, indicating a specific scenario where lighting conditions vary.
  • One participant notes that changing the lighting condition itself could be another solution to the problem of exposure, though they express uncertainty about its applicability in all situations.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on specific examples of when to change the aperture, and multiple viewpoints regarding the necessity of such changes in different lighting conditions remain present.

Contextual Notes

There are unresolved assumptions regarding the conditions under which aperture changes are necessary, and the discussion does not clarify the extent to which lighting adjustments can be made in various scenarios.

tarekatpf
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Could you please give me example of situations when changing the aperture ( that means the depth of field, and exposure, right? ) is necessary during shooting the same video clip?
 
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Do you mean the "Hitchcock Zoom":

2dmfip5.jpg


It's also called the "Dolly Zoom". If you google those terms, you get many links about it.
 
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lisab said:
Do you mean the "Hitchcock Zoom":

2dmfip5.jpg


It's also called the "Dolly Zoom". If you google those terms, you get many links about it.

Thanks for your response. No, I didn't mean that. In a continuous shot, if you move from a scene to another with a different lighting condition, you may need an aperture change. I just came to know that changing the lighting condition itself can be another way to solve the problem. I have to think, though, if that can be done in all circumstances.
 
tarekatpf said:
Could you please give me example of situations when changing the aperture ( that means the depth of field, and exposure, right? ) is necessary during shooting the same video clip?

Going from a dark room outside into direct sunlight?
 

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