Deep Blue 47 Kodak Wratten Color Filter | Edmund Optics
Kodak 4x4" (100mm) #47 Deep Blue Wratten Gel Filter 1832591 B&H
Wratten number - Wikipedia
Deep Blue 47 Kodak Wratten Color Filter | Edmund Optics
Deep Blue 47 Kodak Wratten Color Filter | Edmund Optics
Kodak 3x3" (75mm) #47 Deep Blue Wratten Gel Filter 1642701 B&H
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Filters for visual observing of the Moon and planets – British Astronomical Association
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Kson Wratten Filter Set Complete #15 #47 #82A #12 #ND96 #58 #25A #80A #21 #8 #23 | eBay
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colourfilters.doc
GSO 1.25" Color / Planetary Filter - #47 Violet
TPO #47 Violet Color Filter & Case - 1.25" | OPT Telescopes
Castell #47 Violet / Purple Planetary Filter 5% Transmission
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Advice sought - filters for planetary imaging - Imaging - Discussion - Stargazers Lounge
Astro Essentials 1.25" #47 Violet Filter | First Light Optics
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Revisiting The 047 Filter: In Camera Faux Color! | Infrared Atelier's Infrared Photography Blog
Carestream® filter Wratten 47 | Sigma-Aldrich
Wratten 47 47A 47B Filters 3x3 inch 75mm Kodak Gel Gelatin NEW & USED FAST SHIP! | eBay
Amateur Ground-based support of the Venus BepiColombo and Parker Solar Probe flybys
440nm Bandpass Wratten Colour Filter 75x75x0.1mmthk
Spectroscopic Analysis & Comparison of Planetary Filters - Eyepieces - Cloudy Nights
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