More products from the brand :ASKAR

Colour Magic 2″ H-alpha 3nm

CHF 399

Part no. FILTER-0007

Disponible en stock chez le fournisseur

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Easy, free returns

Askar Colour Magic 2" H-alpha 3nm filter

Visit Askar Colour Magic 2" H-alpha 3nm filter is a narrow-band filter designed for astrophotography of nebulae and other objects rich in ionized hydrogen. Its main features are as follows:

Technical specifications

  • Bandwidth : 3 nm centered on 656.3 nm (H-alpha line)
  • Format: 2" (50.8 mm)
  • Maximum transmission : Approx. 90% at 656.3 nm
  • Effective blocking : Light pollution and unwanted wavelengths
  • Optical density outside the transmission zone : OD3 (0.1%)

Benefits

  • Contrast enhancement : Greatly enhances the contrast of emission nebulae.
  • Imaging in difficult conditions: Allows imaging even in conditions of high light pollution.
  • Reduced star intensity: Reduces the intensity of surrounding stars for better contrast.
  • Compatibility with other filters : Can be used in combination with SII and OIII filters to create Hubble palette images (SHO).

Astrophotography applications

The filter Askar Colour Magic H-alpha 3nm is particularly suitable for :

  • Imaging diffuse nebulae : Capture the details of H-alpha-rich nebulae.
  • Photographing planetary nebulae : Ideal for photographing planetary nebulae.
  • Capturing supernova slag : Perfect for photographing H-alpha supernova remnants.

Additional considerations

It's important to note that this filter requires longer exposure times due to its narrow bandwidth. However, it offers an excellent signal-to-noise ratio for H-alpha emitting objects, even under difficult viewing conditions.

Conclusion

Visit Askar Colour Magic 2" H-alpha 3nm filter is an essential tool for astrophotographers specializing in imaging nebulae and other celestial objects rich in ionized hydrogen. Its ability to enhance contrast and reduce light pollution makes it a first-rate choice for advanced deep-sky observations and imaging.

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