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Baader 2" Cool Ceramic Safety Herschel Prism Mark ll, Photographic/Visual System - for Refractors only (BPHERM2P) - Astro-Physics
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Baader Herschel Wedge, used to image the sun safely through an astronomical refracting telescope in White Light Stock Photo - Alamy
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Baader 2" Cool-Ceramic Safety Herschel Wedge - First Light - Discussions - Eyepieces - Stargazers Lounge
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