Two part questions are the two I will attempt to address your staff with.A professional dark room for a professional photo sports photographer.This is a Dark Room to give me ideas to install in my families new home were building. The second is I'm a professional "Luthier", which is defines a professionals skills in the art of fine guitars.A select number of photo direction for me to look into for advise.Thank you, and may Good Bless. Kind Regards Lee Farmer bullriderx@gmail.com 864-538-6559