RE: [APML] Opinions on TV-85 vs. Tak 102-106

["Scott Hammonds" <shammonds@creatorsview.com>]

Alan,
The Petzval design is what causes the "hot spot". I have the Televue
NP101, which also has the Petzval design, it too has the "hot spot". AV
techniques will take care of this in PS. In retrospect I would get the
Tak, but I have never planned to do medium format, so the TV is fine for
me.

Kirk,
Outstanding Rho image. 

Scott Hammonds
 

-----Original Message-----
From: astro-photo-bounces@seds.org [mailto:astro-photo-bounces@seds.org]
On Behalf Of Alan Voetsch
Sent: Wednesday, August 13, 2003 6:31 PM
To: Discussion of Film Astrophotography
Subject: RE: [APML] Opinions on TV-85 vs. Tak 102-106

Hey Gene,

--- Gene Horr <genehorr@houston.rr.com> wrote:
> The main differences are that the 106 has a larger, beefier focuser, 
> the reducer is already included, is faster, and has a larger
> coverage.
> Oh, and is much smaller in length.
> For film with the 102 you'll need the reducer/corrector which will
> give
> you 6x4.5 coverage but not much more.  You'll also want to consider 
> adding the camera angle adjuster (also included in the 106).

It sounds like the 106 has several advantages over the 102. Although I
have heard reports too of the hot spot, I didn't know it was confined
to the 106. Anyone have more infor on this?

Thanks,
Alan


 



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