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Baader 8.5 nm H-Beta Narrowband CCD Filter - 1.25" - FHBN-1

SKU: BAD-FHBN-1

This item is in stock and typically ships in 1 day or less.

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Baader 8.5 nm H-Beta Narrowband CCD Filter - 1.25"





  • This Baader Planetarium H-Beta Narrowband 8.5 nm Filter comes in a 1.25" threaded cell


  • Provides a transmission of over 90% and completely rejects light pollution


  • Multi-layer dielectric coatings are plasma-assisted and ion beam-hardened using the latest German coating technology


  • The Baader narrowband 8.5 nm H-Beta Filter will never degrade from use or because of normal cleaning





Delivering the absolute highest contrast deep sky images in H-Beta, Baader Planetarium's Premium Narrowband CCD passfilters are a must have when it comes time to excellent photography and observation. With the shortest exposures possible, the ultra-narrow bandwidth offers extremely high transmission while completely rejecting light pollution and blocking longer wavelengths. The coatings on all Baader products are professionally applied in Germany, by the most sophisticated equipment available today. This application process ensures high consistency for bandpass centering, out of band blocking, and transmission.




Delivering a smooth and accurate 1/4 wavefront over the entire surface, each substrate is fine-optically polished delivering exceptional performance. The special custom polishing operation Baader executes on all Narrowband passfilters is the difference when comparing standard commercially polished substrates to Baader's processes.




In the production process of the Baader Narrowband CCD passfilters consideration of eliminating the annoying reflections present in other narrowband astro-filters was a key consideration. To assure freedom from reflections, Baader's production process required careful design and testing of coating stacks to guarantee excellence with each narrowband filter. These anti-reflection coatings are designed to avoid halos as well as balanced to prevent physical deformation of optically flat substrates.




Baader's Narrowband H-Beta CCD Filters have ultra-hard ion beam deposition which ensures coatings will not degrade from use or normal cleaning. In order to guarantee lifetime coating durability and uniformity, Baader has each filter coated individually, permanently sealing the coating edges. Unlike coatings of filters that have been cut out of pre-coated sheets of glass, Baader's mil-spec coatings will not degrade, peel, or flake off!

Description
Description

Baader 8.5 nm H-Beta Narrowband CCD Filter - 1.25"

  • This Baader Planetarium H-Beta Narrowband 8.5 nm Filter comes in a 1.25" threaded cell

  • Provides a transmission of over 90% and completely rejects light pollution

  • Multi-layer dielectric coatings are plasma-assisted and ion beam-hardened using the latest German coating technology

  • The Baader narrowband 8.5 nm H-Beta Filter will never degrade from use or because of normal cleaning

Delivering the absolute highest contrast deep sky images in H-Beta, Baader Planetarium's Premium Narrowband CCD passfilters are a must have when it comes time to excellent photography and observation. With the shortest exposures possible, the ultra-narrow bandwidth offers extremely high transmission while completely rejecting light pollution and blocking longer wavelengths. The coatings on all Baader products are professionally applied in Germany, by the most sophisticated equipment available today. This application process ensures high consistency for bandpass centering, out of band blocking, and transmission.

Delivering a smooth and accurate 1/4 wavefront over the entire surface, each substrate is fine-optically polished delivering exceptional performance. The special custom polishing operation Baader executes on all Narrowband passfilters is the difference when comparing standard commercially polished substrates to Baader's processes.

In the production process of the Baader Narrowband CCD passfilters consideration of eliminating the annoying reflections present in other narrowband astro-filters was a key consideration. To assure freedom from reflections, Baader's production process required careful design and testing of coating stacks to guarantee excellence with each narrowband filter. These anti-reflection coatings are designed to avoid halos as well as balanced to prevent physical deformation of optically flat substrates.

Baader's Narrowband H-Beta CCD Filters have ultra-hard ion beam deposition which ensures coatings will not degrade from use or normal cleaning. In order to guarantee lifetime coating durability and uniformity, Baader has each filter coated individually, permanently sealing the coating edges. Unlike coatings of filters that have been cut out of pre-coated sheets of glass, Baader's mil-spec coatings will not degrade, peel, or flake off!

Specifications
Specifications
Model Number FHBN-1
Single Filter, Set, or Accessory Single Filter
Filter Type H-Beta
Filter Size 31.75 mm (1.25")
Filter Shape Round
Filter Insert Style Threaded
Filter Bandpass 8.5 nm
Warranty Baader 1 Year
What's in the Box?
What's in the Box?
  • Baader Planetarium 1.25" Narrowband 8.5 nm H-Beta Filter
  • Baader H-Beta CCD Filter
  • Baader H-Beta Solar Spectrum
  • Baader H- Beta Transmission
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