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Re: filtration for sfx200

  • From: Russ Rosener <rrosener@xxxxxxxxxxxxxxx>
  • Subject: Re: filtration for sfx200
  • Date: Thu, 26 Feb 1998 18:09:36 -0600
Does anyone know the Hoya equivalent for the wratten N0. 29 filter?

Russ Rosener

JoePaduano@xxxxxxx wrote:
> 
> A No. 29 red is all you need with SFX200 film as it is only sensitive to
> 740nm. Most infrared filters transmit beyond 740nm, an area of wavelengths to
> which the film cannot take advantage.
>                                                                Joe
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