Vaonis Vespera Dual Band Filter

For astrophotography centred on emission nebulae, the Vaonis Vespera Dual Band Filter brings a more selective approach to light capture. This telescope accessory is a dual narrowband interference filter that isolates the Hydrogen Alpha (H-alpha) and Oxygen III (O-III) wavelengths associated with many nebulae, helping separate the subject from the sky background in both urban and darker observing environments.

Used with the Vespera system, it improves contrast and produces cleaner-looking results with sharper stars and finer visible detail. The effect is particularly relevant for nebula photography, where selective transmission of H-alpha and O-III can help the structure of the object stand out more clearly within the frame.

Key features

• Dual narrowband interference filter
• Precisely selects Hydrogen Alpha (H-alpha) and Oxygen III (O-III) wavelengths
• Suitable for nebula photography
• Improves contrast between the sky background and the stellar object
• Helps produce sharper stars and finer details
• 2-year warranty
• Model number: AC022

Specifications

• Product type: Astro photography accessory
• Weight: 100g

Support & warranty

• 2-year warranty

Rackhams Reference : ZUAB2TUILK