Kodak 75 x 75mm #34A Violet Wratten 2 Filter 1922772 B&H Photo
Kodak Wratten CP20Y Gelatin Filter 154 47 125x125mm 5x5" Square - NEW | eBay
Wratten number - Wikipedia
colourfilters.doc
Revisiting The 047 Filter: In Camera Faux Color! | Infrared Atelier's Infrared Photography Blog
Photomicrography - Kodak Filters for Black and White Photomicrography | オリンパス ライフサイエンス
Celestron 1.25" eyepiece filter set (8, ND-13, 47, 82A)
Venus Image 2019/04/06(UT)
Mars 7.18.2018 , C90 - Sketching - Cloudy Nights
The Sodium Fluorescein technique: Light sources and Filtration
Kodak 4x4" (100mm) #47 Deep Blue Wratten Gel Filter 1832591 B&H
The Sodium Fluorescein technique: Light sources and Filtration
Advice sought - filters for planetary imaging - Imaging - Discussion - Stargazers Lounge
SPDs of Kodak colour separation filters: Photographic Science and Technology Forum: Digital Photography Review
KT18 :: Optical Filters, Kodak Wratten Gelatin Filter, Deep Blue Tricolor, No. 47B, 2mm Thickness :: M&R :: NuArc :: Amscomatic
Revisiting The 047 Filter: In Camera Faux Color! | Infrared Atelier's Infrared Photography Blog
C5 Filter No. 47 | National Museum of American History
Can I use simple filters RGB (#25, #56, #47) to capture images with monochromatic camera? Or will I have to use specific filters (LRGB) for monochrome? - Quora
TPO #47 Violet Color Filter & Case - 1.25"
Imaging with an ADC - Major & Minor Planetary Imaging - Cloudy Nights
Castell #47 Violet / Purple Planetary Filter 5% Transmission
ゼラチンカラーフィルター NO.47 ディープブルー | Edmund Optics
