[filmscanners] Re: Re:Using dICE with glass carriers (was: DepthofFocus)

["Arthur Entlich" <artistic-1@shaw.ca>]

Since I inspired this thread by my question, I think I'll jump in here.
  I think Jack was simply making a comment about the external most
surfaces (since those are the ones most in question in terms of whether
they would be able to be corrected via dICE).  He was not implying that
the inner glass surfaces or the film surfaces would not be effectively
cleaned via dICE.  I think the reason he did not directly address them
is that they are so close to the film focal plan that one would expect
that to work.

It is I who specifically segregated the matter of the farther external
surfaces.

Art

Julian Vrieslander wrote:

> On 3/29/02 3:48 PM, Jack Phipps <JPhipps@asf.com>, wrote:
>
>
>>Digital ICE should correct for surface defects (dust and scratched) on the
>>outside of a glass carrier. I don't have any personal experience with this
>>though.
>>
>
> Could you clarify this?  Do you mean the ICE can only correct for surface
> defects on one or both of the outside glass surfaces?
>
> And, by your omission, should we infer that ICE does not correct defects
> on the two inside surfaces of the glass elements (that is, on the sides
> facing the film)?
>
> Do the glass layers reduce the effectiveness of ICE in removing defects
> on the film itself?
>
> Certainly, someone at ASF must have tested these issues.
>
> --
>


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