The Canon HF G10 for the wedding on a budget?

weddings on a budget, you must hold in thoughts: query : The Canon HF G10 for the wedding on a spending budget I am happy to speak weddings six hours for $ 600 on a spending budget. My concern is low light autofocus - for instance, if the father and daughter dance, he is able to continue its concentrate on their faces /? Can I use a program with 160 LED lights and a Rode Videomic. For now, I am not renting gear when it is not in our budget or comfort. Are there other issues I not thought

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