New Infra red IR 780-1600nm filter for Cokin A holders (Wratten 89B Hoya R72)

The filter response is similar to that of a Wratten 89B or Hoya R72 though a little higher, it is 50% transmissive at 780nm and 90% from 810 to 1350nm only dropping below 70% again above 1600nm. Suitable for Cokin 'A' filter holders, this sale is for the filter only, no case, holder or pouch is supplied.

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