yichael_smartbow/Assets/BowArrow/Scenes/GameChallengeScene/CameraCopyer.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityStandardAssets.ImageEffects;

public class CameraCopyer : MonoBehaviour
{
    [SerializeField] GameObject src;
    [SerializeField] GameObject dest1;
    [SerializeField] GameObject dest2;

    void Awake() {
        Component[] components = {
            src.GetComponent<FlareLayer>(),
            src.GetComponent<VignetteAndChromaticAberration>(),
            src.GetComponent<Bloom>(),
            src.GetComponent<ScreenSpaceAmbientObscurance>(),
            src.GetComponent<GlobalFog>()
        };
        foreach (Component item in components)
        {
            // UnityEditorInternal.ComponentUtility.CopyComponent(item);
            // UnityEditorInternal.ComponentUtility.PasteComponentAsNew(dest1);
            // UnityEditorInternal.ComponentUtility.PasteComponentAsNew(dest2);
            CopyComponent(item, dest1);
            CopyComponent(item, dest2);
        }

        Color skyBoxBgColor = src.GetComponent<Camera>().backgroundColor;
        dest1.GetComponent<Camera>().backgroundColor = skyBoxBgColor;
        dest2.GetComponent<Camera>().backgroundColor = skyBoxBgColor;
    }

    void CopyComponent(Component comp, GameObject dest) 
    {
        System.Type type = comp.GetType();   
        Component copy = dest.AddComponent(type);
        System.Reflection.FieldInfo[] fields = type.GetFields();
        foreach (System.Reflection.FieldInfo field in fields)
        {   
            field.SetValue(copy, field.GetValue(comp));
        }
    }
}