Mark Holden's posting was a tad pessimistic, in my view. $10,000 will buy
you a TEC 140 APO (that's a very-high-end 5.5" apochromatic refractor), an
excellent Losmandy G-11 mount for it, a high-end diagonal, and several
That is exactly the set-up I would buy right now -- if I could afford it.
I have observed with a TEC 140 APO, and it provided the best images that a
telescope can provide -- for its aperture. And 5.5" of apo aperture would
keep me happy for a lifetime. Look through a TEC 140 APO sometime under a
dark sky, and you will (probably) understand what I mean.
"Mark S. Holden" <mark@xxxxxxxx> wrote in message
> I prefer triplet apochromatic refractors. They have no central
> obstruction, they tend to come in F ratios that make them reasonably
> compact, and the image quality is stunning.
> Unfortunately, on sale, an 80mm f6 apo tube will run about $1400. Then
> you'll need to allow money for the mount, a good diagonal, and
> eyepieces. This could easily put you in the $5000 range.
> An apo refractor in the 4.5" range will probably run about $10,000 by
> the time you're done with accessories if you do everything first class.