I’ve got 16mm tubes for my telescope.  16 mm with 1 mm wall should be enough.

And I also managed to register on CloudyNights — my registration was approved this time 🙂

Tags: al dob, dob

This entry was posted on Thursday, December 10th, 2009 at 00:50 and is filed under astronomy. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.