EXCLUSIVE FORUM FOR MACHINE DISMANTLERS AND REPAIR PEOPLE > Dolton IL
> Agricultural and Construiction
> Animal Feed
> Optical filter, 550NB1, 25.4MM diameter in metal ring
Optical filter, 550NB1, 25.4MM diameter in metal ring
Optical filter, 550NB1 narrow band filter. Supplied in a 25.4mm diameter X 6.25mm thick metal mount (unthreaded) Silver blocking >OD6 average from UV to FIR. Minimal deterioration around the edge limits useful aperture to 15 - 18mm. Note that the accompanying curve has a max. T of 50% for higher resolution. The filter has a Transmission value of approximately of 27.5%.
