New answers tagged depth-of-field
1
The issue is how to sustain a deep DOF so that the body of water from surface to the bottom is all in focus. The AF tends to focus on the surface with the bottom out of focus, or vice versa.
Very few cell phones have the ability to actually change the aperture of the lens; so your ability to set/control the DoF will be limited. However, the very small ...
3
A place to start is with a polarizing filter to allow removal of reflections off the surface of the water. It’s probably simplest if this is hand held between the phone and the water. The user can rotate the filter as required to remove glare. Polarizing filters are commodity items, so costs can be low.
Due to the small size of phone camera sensors, depth of ...
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