Does video resolution change depth of field on a Canon EOS 60D?
Asked 4/5/2021
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I use a Canon EOS 60D and sometimes rely on hyperfocal distance for astrophotography and manual focusing. In video mode the recorded resolution is lower than full-resolution stills, but the field of view is nearly the same. Does depth of field change in video mode if focal length, aperture, and focus distance stay the same? If not, can I use the same depth-of-field or hyperfocal calculators as I do for still photography?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
5y ago
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Depth of field does not vary by resolution; assuming you meet the minimum requirement (~ 1MP).
Depth of field does vary by sensor size though; because a smaller sensor will require more magnification/enlargement, which makes a lack of sharpness more apparent.
Depth of field is the same for video as it is for still images. You can use any of many calculators available assuming the viewing conditions will be standard and no cropping will be applied. If the viewing conditions are not standard, or the images/footage will be cropped, then the default results of a DoF calculator will be wrong; you would need to use a different CoC limit suitable for the output/viewing conditions.
Originally by user70370. Source · Licensed CC BY-SA 4.0
user70370
5y ago
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Generated from our catalog & community — verify before relying on it.
No. If focal length, aperture, focus distance, and sensor area used are the same, depth of field is essentially the same in video and still-photo modes. Resolution by itself does not change depth of field.
What does matter is sensor size and output/viewing conditions. A smaller sensor, heavy cropping, or unusually large viewing magnification can make blur more noticeable, which changes the acceptable circle of confusion used by calculators. But if your camera uses the same sensor area and you are not significantly cropping, a normal depth-of-field or hyperfocal calculator will be fine for video as well.
So for your 60D, you can generally use the same DOF/hyperfocal app you use for stills when shooting video, unless your final output or viewing conditions are non-standard.
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