Looking for a Parks fiberglass tube, because the ID need to be larger than 9", but less than 10". The Parks tube is 9 3/8". I would like for the tube to be 50" long, or more. I am willing to buy another brand as long as it is at least 9.25" ID, and less than 9.5" ID. I also need a mirror cell, Parks, UO, or an Aluminum Meade cell used with thier starfinders. I am looking for a 50mm finder bracket also.