I use 42", 48", and 60" cages for my boas and I really like the 60" cage that is 18" deep and 16" tall with two front doors. With the 48" cage, I have some that are 18" and 24" deep, when you have a 7' female and then add a 6' male during breeding season they don't have as much room to move away from the heat source as they do in the 60". But to answer your question about the 4X2 vision. Yes, it will meet her needs.
Mike Derks

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