WOW! I decided to check back in on my post, thinking that it had probably run its course, and find soooo many more helpful comments! Thanks, all of you!!!
I have one more question, which is not of any real importance, but more of a curiousity. It's my understanding that a carbon fiber tube is not going to have the expansion and contraction characteristic that aluminum tubes have, thus making the need for less focusing corrections( I read that somewhere, but can't seem to find where I read it at.) My question is how does it affect cool down times? I've had some experience building aluminum block race engines and am fully aware of how quickly this material transfers heat, expands and contracts, and cools down compared to other metals. But, I have absolutely zero experience with carbon fiber other than with the rotor blades on my RC helicopters, and they seem to hold daytime temperatures pretty well. I'm wondering if the use of carbon fiber will cause longer cool down times in exchange for what may be more precise alignment due to less expansion and contraction? I know an aluminum OTA is not going to expand as much as an aluminum 765 cubic inch race engine( I have actually seen this block grow a full 1/2 inch from start up to operating temp!), but am interested in how it affect the alignment of the scope, and, is this part of the balancing act during cool down between thermal activity and mechanical expansion/ contraction? Like I said, it's of no importance to my decision, but I am curious.
