Re: [Utah-astronomy] Coulter question

In that case it's probably a late model. If he has the budget, go for new optical supports and a focuser all at once. I can supply some Teflon for new bearings at no charge, although the plastic trunions might be sticky too. On Mon, Feb 27, 2012 at 10:21 PM, Richard Tenney <retenney@yahoo.com> wrote:

It's really difficult to adjust the secondary and primary mirrors to achieve collimation (and it was pretty off, testing with my laser). In fact, the primary mirror "cell" is so crude it was impossible to adjust it as far as it needed to be tweaked.