Re: Ilford SFX filter ?

["Jason Revell (in5)" <jason.revell@xxxxxxxxx>]

The way I use the gelatin filters is to but a  Hoya UV(0) filter
in the correct filter size.  You can then carefully prize out the
'spring' clip on the inside of the filter with a small screwdriver
(though I use the dental tools we have here).  Cut around the
gelatin filter with a scalpel using the glass filter as your guide.
Then just place the glass back inside with the gel on the inner
side if the filter and force the 'spring' back into place so it can
hold them all together.

I have used this method on various UV and IR filters for work
and they have lasted over 5 years of abuse from the students
that are using them every day, So I guess they should last a
while with proper care!

Jason Revell
jason.revell@xxxxxxxxx
>It was manufactured in England by Ilford ltd Mobberley
>Cheshire. Unlike Wratten or Lee filters no tissue was included in the
packaging,
>so beware of scratch marks. It is not really possible to view the image
for
>focusing with the filter in place. I have used it with a Pentax 6*7 ,
45mm lens,
>using the spring clip behind the rear element. Why not try it !
>Cameron Shaw
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End of Infrared-Digest V0 #432
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