I am going to get a Ruger 10 22 light target/varmint - http://www.ruger.com/products/1022DE/specSheets/12...I am wondering if i should get the the Nikon Prostaff 2-7x32 OR the Redfield Revolution 2-7x33?I will be using my .22 for squirrel, rabbit, birds, and coons. PLEASE HELP