Re: film options for SEM
From: David Littlewood (david_at_nospam.demon.co.uk)
Date: 06/09/04
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Date: Wed, 9 Jun 2004 17:46:38 +0100
In article <2maec09vm27p89h2rpq8khpcch2152r85t@4ax.com>, Gary G
<see.signature@bottom.?.invalid> writes
>On Tue, 8 Jun 2004 11:12:57 +0100, David Littlewood
><david@nospam.demon.co.uk> wrote:
>
>>In article <rreac091qvqdun5vf34c9p4rmeb4cghesr@4ax.com>, Gary G
>><see.signature@bottom.?.invalid> writes
>>>On 7 Jun 2004 18:22:18 -0700, joanstan@verizon.net (Joan) wrote:
>>>
>>>>I could use some advice. I am using a JEOL 6400 and have been using
>>>>Polaroid Type 55 film (4x5). I would like to experiment with other
>>>>sheet films using the Polaroid film back (eg. Fuji Velvia or Provia,
>>>>Kodak E 100S) but am hesitant to begin without some advice. My aim is
>>>>to obtain a great image (aesthetically). Any advice would be greatly
>>>>appreciated.
>>>>Thank you,
>>>>Joan
>>>
>>>Polaroid is not sheet film in the sense of true sheet film. The
>>>Polaroid film back only will hold Polaroid sheets. To use true sheet
>>>film, you will need to remove the Polaroid holder and slip in a 4x5
>>>cut film holder. If the SEM has a standard Graflock back, then you
>>>can use Riteway or other 4x5 cut film holders.
>>
>>Gary, I take your point about colour film being useless for SEM, but
>>just to clarify for other users, ISTR that 5x4 ready-loads can be used
>>in a Polaroid back - though they are probably more satisfactory used in
>>a dedicated ready-load back such as the Kodak one. Readyloads - E6 film
>>in a cardboard sheath, for those unfamiliar with them - are a great
>>convenience for those in the field (1 back + 50 readyloads is a *lot*
>>lighter that 25 loaded DD slides) and for those who must write careful
>>scientific details on each shot - but they are about twice the price of
>>bulk sheet film.
>>>
>
>To use ready-loads, one needs a ready-load holder. This too fits in a
>Graflok back. It does not fit in a Polaroid holder as I recall.
>There were not very many loads available back when I was shooting 4x5
>film. It was not a big deal, however. Basically, you pack up about
>6-10 cut film holders and a box of 100 or 25 sheets of film. Then,
>use a changing bag to load and unload holders in the field or at the
>motel. Most of the time I used Horseman 6x8, 6x9 and 6x12cm roll film
>holders. These were much more convenient. The 6x12cm frames produced
>awesome panoramic-style images. These same holders (especially 6x7)
>can be used in the SEM's recording CRT Graflock back. The frame is
>not as large as 4x5 but is dramatically cheaper and easier to process.
>
OK; I was talking about the Polaroid 545 back, not a Graflok holder.
-- David Littlewood
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