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Shop online » Levenhuk Ra Accessories » Filters for Nebulae Observations

Filters for Nebulae Observations

The narrow passband filters are ideal for observations of nebulae. They suppress all light that lies outside 4900–5010 Å (490–501 nm) passband. Remember that these filters give a green tint to observed objects.

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Levenhuk Ra O-III 2'' Filter photo

Filter for nebulae observations. Barrel diameter: 2''

Levenhuk Ra O-III 2'' filter is a narrow-passband filter with a barrel diameter of 2'' that transmits wavelengths of the visible spectrum within 150 Å (15 nm) range. This filter suppresses all light that lies outside its...More