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Altair 1.25 DualBand Sii/Oiii 6nm Filter
$169.99
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}Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...
Altair Astro 2" DualBand Sii/Oiii 6nm Filter
$259.99
span.price-item.price-item--sale.price-item--last {
color: #000000
}Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...
Altair 1.25" DualBand Ha/Oiii 6nm Filters
$169.99
span.price-item.price-item--sale.price-item--last {
color: #000000
}Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...
Altair Astro 2" HA/OIII DualBand 6nm Filter
$249.99
span.price-item.price-item--sale.price-item--last {
color: #000000
}Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...
Altair Solar Contrast Booster Filter 8nm - 540nm Continuum 1.25"
$75.99
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}The Altair 1.25" Solar Continuum filter Enhances sunspots, granulation, and fine photosphere detail. For use with Baader Solar Filter or Herschel Wedge. IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER...
Altair 2nm G-Band Solar Contrast Filter - 2" 430.3nm
$319.99
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}IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER FOR DIRECT SOLAR OBSERVATION! Must be used together with a professional solar filter film or glass type, or Hershel Wedge with Max. 0.024%...