Nebulizer 2 "UHC, Explore Scientific filter: • as a result of using filters in ? combinational UHC, many weak nebular objects become more easily visible • suitable for both visual observations and photography with CCD cameras • blocks the entire spectrum of light except the spectral line O-III, H-beta and H-alpha • transmits: a line of double ionized oxygen (496 and 501 nm), hydrogen line H-beta (486 nm) and a deep red band of the H-alpha line (656 nm) • has an individual test certificate guaranteeing that you will receive high-quality goods • Housing diameter: 50.8 mm • transmission of light: over 90% • height: 8 mm • weight: 15 g
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