One other thing is to get the carrying case. It is worth the money.
The lens fit exactly right in a three container Crystal Light tube wrapped in the bubble wrap it comes in and that is very handy to protect it from bangs and dings.
I supect that in your sheltered existence that you didnot know that a six container Crystal Light tube with the bottom cut out makes a great slip on sun shade for a scope. You have to darken it with duck tape of course.
If you need any more Hints from Heloise on using Crystal Light containers let me know.