GlenElectronic
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A few of the wall shots are at depth as well as the wreck at the end of the video.
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I've read there is no difference in the outcome whether you manually white balance or do it in post as you're filtering either way, filtering pre or post is the same.
I manually white balance. For one reason I do little other post production so manually white balancing means I have little to no post production.
Nice shots. i will note that I shoot about half my pictures just for fish ID purposes. At 100 ft with 20 ft of viz on an overcast day there is not any color without the lights. Essentially all my diving is 60 ft or deeper, viz is rarely over 30 ft, and sometimes you get particulate.
Emphasis mine. If you shoot stills in raw file format, the raw file contains everything that the sensor has captured. In that situation, it doesn't matter one iota which WB you used during shooting. JPEGs are a very different beast, though, just like video. Adjusting WB on a JPEG will lead to loss of quality, so it's important to get your WB as correct as possible.I would have to disagree (for video). When you white balance in post the imagine is degraded (although a very small amount).
Isn't this just as valid for WBing while shooting? I set my WB to auto, and more often than not my camera gives me a pretty decent starting point. And IMO "correct" post-production isn't about getting it as close as possible to reality, it's about getting it as close as possible to your perception of reality.Plus it is very difficult to balance for color when you have almost no real reference point of the saturation underwater. The only way to accurately color balance in post is to always have a white slate in the shot as a reference point.
Again, I'd like to point out that the situation is very different if you shoot video compared to if you shoot stills in raw file format. The OP specifically mentions the Canon G7X which is a raw file format capable still camera, that's why I'm pointing out the difference between raw file stills on the one hand, and JPEGs or video on the other.Several years ago I did a major experiment shooting underwater video scenes with auto white balance and then manual white balance. Spent days documenting all the details and then reviewing all the results with a vector scope in post. The difference of color quality was astounding with manual white balance.
I've shot in every possible water condition you can imagine, if you take your time it all turns out nicely.
I don't dive unless the water temp is 80 degrees and the vis is 80ft or better ;-) Of course I don't really follow that, but you get the idea. Warm water climates and typically great vis.
At 100 ft with 20 ft of viz on an overcast day there is not any color without the lights. Essentially all my diving is 60 ft or deeper, viz is rarely over 30 ft, and sometimes you get particulate.