Ilford SFX 120 Filter (Was Re: Ilford SFX 120 & personnal info)

[Bertha Adamson <badamson@xxxxxxxxxxxxx>]

Cameron Shaw wrote:

> I agree with George that you do need to reduce speed rating by around
> 1/2 stop. Unfortunately you will probably be dissappointed with the results from
> Red 25 filter, The nearest you can get to an infrared image and SFX200 film is by
> using a Hoya R72 filter. However it is too dark to use manual focus but some
> cameras I've triedwill auto focus through the R72 filter.
> All the best
> Cameron

I have seen reference to a filter specifically for Ilford SFX, a square filter that
fits the Cokin A holders.  I believe it transmits the wavelengths to which SFX is
most sensitive. Is this something Ilford created in conjunction with Cokin? Is it
available through normal channels, e.g. most places that sell filters? Is this a
delusion I created as a result of too much Christmas eggnog?

I appreciate any help.  Thanks!

Bertha




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