PAUL GRAHAM wrote:
the circles/ weird shapes are 'newtons rings'
which are interference patterns from glass/film surfaces meeting
very well known (google it to find out more)
use anti newton mounts when you get these
paul
Gepe makes a full line of glass slide mounts (both regular and
Neil Cotty wrote:
One side effect though, maybe someone can tell me why this is happening.
With a few slides, say 10%, I am getting this erm, multi-coloured circles
and unusual shapes appearing on the slide. I guess it is the film itself
perhaps slightly curved, and light playing tricks
In a message dated Fri, 19 Oct 2001 4:22:32 AM Eastern Daylight Time, Arthur Entlich
[EMAIL PROTECTED] writes:
The effect you are seeing is called Newton Rings, and it happens
whenever two glossy surfaces come in contact. I believe the colors are
determined by how many molecules of air
On Thursday, October 18, 2001 at 23:55, Neil Cotty
[EMAIL PROTECTED]
wrote re filmscanners: Glass slide mounts saying:
Hi all,
I know this has been said before here, but I thought I'd just reiterate it
in case others missed out. I have an LS4000 scanner and shoot with mainly
Provia
Apart from the problems already listed, namely:
- newton rings (you will definitely want the anti-newton-glass type, IMO)
- possible degradation of image due to extra surfaces
- more potential to gather dust, and more effort to remove
.. may I add these - as a person who tried them for a while
At 19 October, 2001 12:59 AM, Arthur Entlich [EMAIL PROTECTED] wrote:
...| I find your observations about focus very interesting since I have
| been given a lot of cr*p about my postings about this problem with Nikon
| film scanners. I was told it didn't exist and that I was trying to
| hurt
. Less sometimes works better
than more. Tetenal makes an ANR spray that I have tried and used successfully.
--Bill Nowlin
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, October 19, 2001 10:49 AM
Subject: Re: filmscanners: Glass slide mounts
It's
Thanks everyone for the great info, I've mounted quite a few more slides
since then and had no problems. Am starting to mount them the correct way
around now and blown up can't see any interference from the coating. I must
say though that the difference between the mounts and feed mechanisms is
-Original Message-
From: Neil Cotty
Sent: Friday, October 19, 2001 5:10 PM
To: [EMAIL PROTECTED]
Subject: RE: filmscanners: Glass slide mounts
Yes, thats the advantage with the holder.. Why oh why do these mounts cut
off some of the frame??
Cheers,
Neil
I use glass mounts
Hi all,
I know this has been said before here, but I thought I'd just reiterate it
in case others missed out. I have an LS4000 scanner and shoot with mainly
Provia or Velvia. I've been 'sort of' happy with the sharpness of the scans,
resigned to using various sharpening methods post scan - no
the circles/ weird shapes are 'newtons rings'
which are interference patterns from glass/film surfaces meeting
very well known (google it to find out more)
use anti newton mounts when you get these
paul
Neil Cotty wrote
One side effect though, maybe someone can tell me why this is happening.
With a few slides, say 10%, I am getting this erm, multi-coloured circles
and unusual shapes appearing on the slide. I guess it is the film itself
perhaps slightly curved, and light playing tricks - or
Neil writes ...
... today I received a set of glass slides - Quickpoint- on the
advice of others around the Internet. Fantastic. Unbelievable difference.
I'm getting much better results, much sharper. ...
One side effect though, maybe someone can tell me why this is happening.
With a few
On the subject
Would an anti-Newton Rings mount affect the quality of the scan?
Shunith
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