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Baader 3.5nm H-alpha Filter 2" - 2459454
BDR_2459454
€365.00
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Baader Narrowband enforced 3.5nm H-alpha Filter 2",
These three sizes of 3.5nm H-alpha Enforced-Narrowband Filters open up the extremely narrow 3,5nm H-alpha world. This enforced contrast results in even fainter stars, providing more signal of faintest nebulae detail. Manufacturing such ultra-narrow filter does require extreme coating homogeneity and very high CWL precision, which these filters are designed for. The initial production did center on the most necessary sizes (2" / 50.4mm round and 50x50mm square - other sizes to follow) CWL= Center-wavelength / FWHM= full width half maximum
- Filter Application
- Photographic
- Filter Type
- Narrowband*~H-alpha
- Filter size
- 2 inch (50.8mm)
Founded in Germany in 1955, Baader Planetarium specializes in very high-quality astronomical accessories, including filters, eyepieces, mounts and mounting hardware. Their innovative designs offer unique solutions for visual observers and astrophotographers alike, with products recognized for optical excellence and meticulous craftsmanship.
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