Explore Scientific 2 O-III filter all astro filters opinie

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Nebulizer filter 2 "O-III, Explore Scientific:
• as a result of using O-III line filters, many weak nebular objects become easier to see
• suitable for both visual observations and photography with CCD cameras
• blocks the whole spectrum of light except for the spectral line O-III
• transmits a line of double ionized oxygen (496 and 501 nm)

Technical parameters

• Housing diameter: 50.8 mm
• transmission of light: over 90%
• height: 8 mm
• weight: 15 g