Molecular Expressions Microscopy Primer: Photomicrography - Kodak Filters for Black & White Photomicrography
filters.htm
Amazon.com : Kodak Wratten Gelatin Filter 75mm/3x3" Color Compensating CC 10 Blue : Camera Lens Color Correction And Compensation Filters : Electronics
Wratten filter specs
Flong Blog + News » A Brief Note on Infrared Filters: 87 vs 87C
🎈 Public Lab: A Wratten 25A replacement from Rosco?
Powerhouse Collection - Photographic chart and colour filters by Wratten & Wainwright
Amazon.com : Kodak Wratten Gelatin Filter 75mm/3x3" Color Compensating CC 10 Blue : Camera Lens Color Correction And Compensation Filters : Electronics