Quote:
Originally Posted by casstony
The Lunt pressure tuned scopes have the advantage that the etalon is always perpendicular to the incoming light, rather than being tilted for tuning. This tends to give a larger sweet spot and makes double stacking much easier down the track.
Matt Watell has some images with the Lunt 60 here: http://www.iceinspace.com.au/forum/s...ad.php?t=91941 |
Hey thanks mate! Had a look at Matt's stuff. Yep, I just got more fired up.
What does all that stuff about pressure tuned, etalon, and double stacking mean? I have no idea whatsoever.
Baz.