From: Gregory W. Blank (gblank@bellatlantic.net)
Date: 04/13/02-07:08:49 AM Z
on 4/12/02 11:16 PM, Sandy King at sanking@clemson.edu wrote:
Thicker Base , the 120 curls as the light source warms up.
The Light Source opening is exactly 4-5/8 so maybe it will work for you
I didn't know the exact dimensions of the light source or for that matter
5x7 film.
Call Omega for more info to verify the light source dimensions for the
adapter. 800-777-6634 Talk to Bob in Customer service, or Charolette.
> Gregory Blank wrote:
>
>
>> You could possible use the glass ( I have not tried scanning film without
>> the masks) Flatness is only an issue for 120 film/thinner base.
>
>
> Why is film flatness not an issue for sheet film?
>
>>
>> The Light source for the scanner is 4x9 exactly (runs down the middle of the
>> glass plate) Doubtfull it will cover 5x7
>
>
> The width of the light opening is 4 5/8". I thought it might be
> possible to do a full scan of a 5X7 negative, or very close, because
> the actual width of the 5x7 format is about 4 5/8", depending on film
> holder, because the grooves that the film slides into in the holder
> cuts off about 3/16" on each side.
>
>>
>> Omega Satter distributes an alternative light source for flatbed scanners
>> I believe is 6x9 it is desined for transparency scanning.
>
>
> Is this an item for the Epson 2450? If so please tell me how I can
> find out more about this item.
>
>
>
> Sandy King
>
>>
>> 800-777-6634
>>
>>
>>
>>
>> on 4/11/02 7:43 PM, Sandy King at sanking@clemson.edu wrote:
>>
>>> Some weeks back there was a thread on film flatness with the Epson
>>> 1680 and 2450 scanners. I found this message from Jeff Mickey in the
>>> archives.
>>>
>>>
>>> On Mon, 18 Mar 2002, Gregory W. Blank wrote:
>>>
>>>>
>>>>
>>>> I find this to be the case as well using the 2450. maybe slide some tape or
>>>> light weight cardboard inside the edges of the holder. ( Its worse when the
>>>> scanner warms up)
>>>>
>>>
>>> Same here...I made my own holders. I use 8th..?..inch
>>> presentation board, and tape the film carefully to the board. The spacing
>>> above the glass is about the same Epsons holders. One caveat, at least on
>>> the 2450, there is an aproxmatly 1 inch deep by 4 inch long notch that
>>> is what the scanner uses to calculate exposure. It needs to be there :).
>>> jeff
>>>
>>>
>>> I am interested in fabricating some film holders for this scanner and
>>> have a couple of questions for anyone who might have an answer.
>>>
>>> 1. Will the light cover an additional inch on the side to allow full
>>> frame 5X7 scans?
>>>
>>> 2. Could one use a piece of very thin glass to get absolute flatness,
>>> or is there some reason glass should not be used?
>>>
>>> Sandy King
>>>
>
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