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Re: Has anyone successfully exposed Konica 750nm film throu

  • From: "Willem-Jan Markerink" <w.j.markerink@xxxxx>
  • Subject: Re: Has anyone successfully exposed Konica 750nm film throu
  • Date: Fri, 27 Sep 1996 18:03:32 +0000
On 26 Sep 96 at 23:41, George L Smyth wrote:

> Thomas H. Hogan wrote:
> > 
> > I ran a test roll of Konica 750 nm film with a Kodak #87
> >         infrared filter.  Nothing came out.  I wonder if anyone
> >         else has had any luck exposing Konica 750 nm IR film at
> >         true infrared wavelengths?
> 
> I've shot Konica through an R72 filter without problems.  Average
> exposure on a sunny day came to around 1/8 sec at F8.

The Hoya R72 equals a Wratten #89B (50%@xxxxx); #87 is 50%@xxxxxx
I believe #87 is the darkest color that will still work with Konica.

--
Bye,

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      The desire to understand 
is sometimes far less intelligent than
     the inability to understand


<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]

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Topic No. 4