TomBenedict:
Wratten Stack vs. Hoya IR
TomBenedict:
Filter Transmission
TomBenedict:
Graduated ND 0.6 Filter Comparison - Visible + Photographic IR
TomBenedict:
Graduated ND 0.6 Filter Comparison - Visible through Near-IR
TomBenedict:
Graduated ND 0.6 Filter Comparison - Visible
TomBenedict:
Hitech / Tiffen Comparison