Hydrogen Beta Filter 2 (SKU: 05584) all astro filters opinie

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Orion H-beta 2" is an astronomical filter designed to conduct visual observations of the most demanding objects, such as the Horsehead or California nebula.

This filter is characterized by a transmittance window in the range from 475 to 490 nm, including the Hβ spectral line (4486.1 nm). Thanks to this, the filter allows you to extract the maximum number of details even from the most difficult to observe nebular objects. Additionally, by darkening the background of the field of view, it significantly improves contrast.

Attention! The Orion H-beta 2" filter may under no circumstances be used to observe the Sun!

The most important features of the Orion H-beta 2" filter

• ideal for use in observations of nebular objects
• threaded frame enabling attachment to glasses and angle attachments
• recommended for use with large aperture tubes

Technical parameters

• filter type: band filter
• Filter diameter: 2"
• filter shape: round
• passed bands: Hβ
• position of the maximum transmittance peak (CWL) for the Hβ band: 486.1 nm
• transmittance window range: 475 - 490 nm

Set elements

• Orion H-beta 2" filter

Guarantee

12 months