MPCC owners, I have a crazy question for you

If you are (or ever were) the owner of A Baader (Celestron) MPCC
(Multi-Purpose Coma Corrector), my question is: Would the "Tunable Top"
from a Paracorr be in any way adaptable to an MPCC? I'm aware that the
optimal distance to the MPCC from the field stop of an eyepiece is
supposed to be 55mm, and that whereas in the distant past most eyepieces
field stops were at the focuser shoulder, this is no longer the case very
often, and thus a tunable top is needed to gain proper spacing. I have an
opportunity to pick up an MPCC, but it will be the T-Threaded photographic
unit only, and will not have the visual use accessories required for use
with 1.25" or 2" eyepieces. TeleVue markets a retro-fit tunable top unit
for the Paracorr, so my hope is that there might be a way to adapt this to
the old MPCC, thus giving me visual use, and the needed ability to custom
tune the 55mm spacing.

Lawrence Sayre
--
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My philosophy, in essence, is the concept of man as
a moral being, with his own happiness as the moral
purpose of his life, with productive achievement as
his noblest activity, and reason as his only absolute.

Ayn Rand (in the appendix to 'Atlas Shrugged')
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How much is the MPCC going to cost? Are there any optics needed or just parts?

jon

On 05 Jun 2004 20:41:38 GMT, Jon Isaacs wrote:

How much is the MPCC going to cost? Are there any optics needed or just
parts?

jon

I've located two of them (both used), but they are in both cases the
optical component section only (with T-threads) for $100, and $110
respectively (both aid to be pristine). In this configuration it is only
usable for photography, and I need it for visual use. Celestron used to
sell them with optional adapters for visual use with 1.25" and 2"
eyepieces. I don't believe these have been sold in the States since
~1989, but they are still being mfg'd and sold in Europe, new for ~120 to
130 Euros (for just the optical unit section).

Lawrence Sayre
--
---------------------------------------------------------------------------------
My philosophy, in essence, is the concept of man as
a moral being, with his own happiness as the moral
purpose of his life, with productive achievement as
his noblest activity, and reason as his only absolute.

Ayn Rand (in the appendix to 'Atlas Shrugged')
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