The behavior of a quantum system and the collapse of its wave function during measurements are not directly related to the size of the particles involved, such as photons. The collapse of the wave function occurs when a measurement is made, regardless of the size of the particles.
In quantum mechanics, the wave function describes the state of a quantum system, and it evolves according to the Schrödinger equation. When a measurement is made on the system, the wave function collapses into one of the eigenstates of the observable being measured, resulting in a specific outcome.
The collapse of the wave function is a fundamental aspect of quantum mechanics, and it occurs when an interaction takes place between the system being measured and the measuring apparatus. The size of the particles involved does not determine whether or not the wave function collapses.
In the case of a quantum camera using smaller photons (assuming such particles exist) to capture images at the atomic scale, the process of measurement would still involve an interaction between the photons and the atomic system being observed. This interaction would cause the wave function of the atomic system to collapse into a definite state, providing specific measurement outcomes.
It's important to note that the concept of "size" can be ambiguous at the quantum level, as particles can exhibit wave-like properties and do not possess well-defined positions. Additionally, the behavior of quantum particles is typically described in terms of their wavelength or energy, rather than their physical size.
In summary, the collapse of the wave function occurs during measurements in quantum mechanics, regardless of the size or properties of the particles involved. The act of measurement causes the wave function to collapse into a specific state, providing definite measurement outcomes.