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If I see a tree, that is an object within my field of view. But you are saying that objects are not required, all we need in order to see are the images that are received from photons coming from that object.
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Objects are required to see those objects. If there is no tree, we cannot see the tree. If the light reflecting off the tree is blocked or absorbed, or if it is too dispersed by distance, we cannot see the tree because the light from the tree cannot intersect with our retina . What are you talking about?
If you are referring to galactic distances, where the light travel time delay becomes noticeable, then the object still has to exist somewhere/somewhen in spacetime. But since you used a tree as an example, I assume you are not talking about objects from outside of the Earth.