Antares High Contrast Filters Size:1.25" It also holds iOptron's R80

SKU: 22412862202

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Antares High Contrast Filters Size:1.25" It also holds iOptron's R80Specialty blocking filter: transmits only 480 510nM. M28. 4x0. 6 2UHC 2UHC is a filter that blocks the visual spectrum except for wavelengths between 480nM and 510nM. Often called a Nebular or ALP (anti light pollution) filter, this allow passage of ionized oxygen and hydrogen lines, but blocks light pollution reflectance from mercury and sodium vapor lamps. Threads into all 2" accessories. UHC(1. 25) UHC is a filter that blocks the visual spectrum

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