Re: Horizon 202 - banding problems

[Alan & Shari Kafton <shmooze@xxxxxxxxx>]

samos@xxxxxxx wrote:
> 
> >
> > Keith Davison wrote:
> > >
> > > I have just obtained an Horizon 202 and am experiencing
> > > problems with horizontal banding.
> *snip*
> > > Perhaps these 202s have improved machining on the slit edge to
> > > allow the extra speed?  Anyone willing to check?
> > >
> > > Cheers,
> > > Keith Davison
> >
> > Keith,
> >
> > Bingo!
> >
> > Easy....
> >
> > Use slide film (which is much more sensitive to exposure variations) and
> > take a picture of the sky on a nice clear day.  With ASA 100, take a
> > range of shots F16, F11 & F8 at 1/250 of a second, and try a few at
> > 1/125 and 1/60.  I'll bet if you look carefully, you will see the lines
> > on the fastest speed, diminishing or non-existent at slower speeds.
> >
> > OK all you Horizon owners, give it a try & report in!!
> >
> 
> Alan (Keith, et-al) -
> 
> I just picked up a 202 on Sunday. I've not yet seen the banding you mention,
> but I've also not tried testing for it. Certainly, I will. Soon.
> 
> I *do* however, have a light leak. Rather than try to describe it, I've put
> up a web page.
>                 http://backyard.ddb.com/H202.shtml
> 
> Just as I was about to write this, the person I bought if from wrote asking
> to see an example. :)
> 
> It sounds (to him) like something he's just dealt with. If it is, I'll post
> his fix to that page.
> 
> Peace - Randy
> 
> --
> 
> Randy Samos                                     "Absence of evidence
> samos@xxxxxxx                                    is not evidence of
> http://backyard.ddb.com/                         absence" C. Sagan


Randy,

Of the 5 units I've gone through, none have had the "leak" displayed on
your images.  One of my units had a vertical streak about 6 mm from the
right edge which was attributed to a light leak by the person who sold
me the camera....so back it went...!!!!

--Alan