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Accessories & Supplies Kodak 75mm Square Wratten 2.0 Optical Filter No.96 with ND 0.60 Accessories
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Wratten filter specs
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Baader Color Filter Set - Astronomy Plus
Filter Curves
Filter Curves
The Wratten #90 Filter – B&W Photography | Photofocus (old site)
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Kodak 4x4" (100mm) 85N6 Color Conversion Wratten 2 1687532 B&H
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The search for real digital Kodak Aerochrome - Nick Spiker
Amazon.com : Kodak 100mm Square Wratten 2.0 Optical Filter No.90 : Lenses Accessories : Camera & Photo
Telescope Filter Guide Plus My 5 Picks | Telescope School
