Formatt-Hitech Firecrest Circular Filters. Ultra, ND, CPL, UV. ND Std MC (Multicoated) ND 0.3 to ND 3.0. ULTRA ND 1.8, 13 & 16 Stop. ND Grad SE 0.3 to 1.2. ND Grad SE 0.3 to 1.5. ULTRA ND 2.4, 22 & 24 Stop.
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