Stew, this is from a Yahoo site......
"Incidently, my 9VDC adapter has a no
> > load voltage of 11.3 VDC. I also have a 12VDC adapter whose no load
> > voltage is 17.25VDC. I've used both of these without causing any
> > problems. For polarity, connect a plug into the base jack and use a
> > voltmeter to determine which way it is.
On the Celestar 8 the tip is
> > positive and the sleeve is negative."
The Bold and Underline are mine.
Site..
http://tech.groups.yahoo.com/group/s.../message/20974
I am about to remove the 6x30 finderscope and just leave the Telrad on my C8. I haven't used a Red Dot finder.
Michael.