Gelatin and polyester colour filters - Filters - Comar Optics
Choosing a Color/Planetary Filter
🎈 Public Lab: Red Filter Rising
Wratten 18A filter for UV photography
🎈 Public Lab: A Wratten 25A replacement from Rosco?
Photomicrography - Kodak Filters for Black and White Photomicrography | Olympus LS
What's a wratten filter? Do I need one? Which wratten filter do I need to make Mars look better? How about Jupiter? Find out!
Reflected infrared photography: Filters
Spectral properties of Wratten filter series suitable for NIR... | Download Scientific Diagram
Telescope filters: a beginner's guide | BBC Sky at Night Magazine
Light transmittance characteristics of Kodak Wratten filter No. 58. | Download Scientific Diagram
🎈 Public Lab: A Wratten 25A replacement from Rosco?
Kodak 3x3" (75mm) 82 Color Conversion Wratten 2 Optical 1936111
Gelatin and polyester colour filters - Filters - Comar Optics
Photomicrography - Filters for Black and White Photomicrography | Olympus LS
Technical
Wratten filter specs
Star City Photos - My Filter Flip Book
Kson Wratten Filter Set Complete #15 #47 #82A #12 #ND96 #58 #25A #80A #21 #8 #23 | eBay
optics - Filter for RGB separation - Physics Stack Exchange
Selected KODAK WRATTEN Gelatin Filters Discontinued
Baader Colour Filters (blue, bright blue, green, yellow, red, orange)
Filters for visual observing of the Moon and planets – British Astronomical Association
Color Filters for Black-and-White Photography: A Complete Guide | PetaPixel
