Sylvanus
- Type:
- shipwreck, schooner barge, USA
- Built:
- 1919
- Specs:
- ( 281x45 ft )
- Sunk:
- November 28, 1921
foundered in a storm - Depth:
- 85 ft
Close-up & Flash
By well-lit, what I mean is situations that fall within the normal range of your camera's exposure program. This is a combination of ISO (film) speed, shutter speed, and aperture which will result in capturing a desired image. On land, such situations occur all day long, but underwater they are rare. Clear shallow water with a bright sun shining overhead is the only environment in which your camera is likely to work unaided, as it would topside.
An unremarkable ambient light test shot, at a depth of about 100 ft. Note the loss of colors, even close-up. Flash would bring out all the hidden colors.
More: Photography - Well-lit Situations ...
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