Home > Filters & Filter Wheels > Altair Astro Premium 1.25" Narrowband SOH CCD Filter Set SII-CCD 6.5nm H-Alpha 7nm OIII 6.5nm

Altair Astro Premium 1.25" Narrowband SOH CCD Filter Set SII-CCD 6.5nm H-Alpha 7nm OIII 6.5nm

Altair Astro Premium 1.25" Narrowband SOH CCD Filter Set SII-CCD 6.5nm H-Alpha 7nm OIII 6.5nm
Altair Astro SOH CCD Premium Filters Set with UV/IR Block & AR Coating
Incl. VAT 20.00 % ( £41.67 )
Product Code
Altair Astro
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The Altair Astro Premium SHO-CCD filter set is designed for astro imaging with Mono CCD or CMOS cameras. 
Buying the set allows significant cost savings as opposed to purchasing the filters separately.
The SOH set comprises three 1.25" filters:
  • SII-CCD 6.5nm
  • OIII 6.5nm
  • H-Alpha 7nm
Designed for monochrome imaging of nebulae. Eliminates light pollution by avoiding the light pollution wavelengths.
Also drastically reduces, moon and skyglow allowing for long exposures in urban conditions. 
Features precise and steep transmission curves with narrow pass-bands to ensure high image contrast. 
Aside from the high qualty Schott German glass and top quality coatings, these filters have some additional enhancements which make them ideal for your astro imaging application.
Advanced UV/IR blocking give small star sizes even with refractor optics, and AR (Anti Reflection) coatings reduce halo effects and internal reflections for more pleasing star images.
OIII filter can also be usd for visual observation of nebulae with apertures of 6-8” or more, providing extremely high contrast.
Premium filter features:
• Batch-tested for consistency.
• High quality dichroic/dielectric coatings. 
• Anti-Reflection coating to reduce star-halos - stackable.
• UV/IR block for imaging - star bloat reduction with refractors.
• Ultra-flat glass by Schott Germany.
• Precision CNC machined filter cell for strain-free mounting and freedom from tilt.
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