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30 Products Found
2"Altair 2" Tri-RGB Light Pollution filter
$229.00
Keep your colour balance as close to real-world as possible, whilst addressing as much light pollution as possible, with no sacrifice in OD blocking, nor in transmission! Altair TRI-RGB is...
Altair Sii Oiii DualBand ULTRA 4nm CERTIFIED CMOS Filter 2" w test report
$449.00
Altair Dual-Band ULTRA Oiii / Sii narrowband filter with extremely tight 4nm FWHM Bandpass. This filter is designed to be the perfect complement to the Altair 4nm Ha Oiii filter....
Altair Astro 2" DualBand Sii/Oiii 6nm Filter
$259.99
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 4nm Ha/Oiii with test report
$469.99
Capture breathtaking views of nebulae with the Altair Dual-Band 4.5nm CERTIFIED CMOS Nebula Filter. This 2" filter is designed to enhance your astrophotography by isolating specific wavelengths emitted by nebulae,...
Altair Astro 2" HA/OIII DualBand 6nm Filter
$249.99
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 Sii/Oiii 6nm Filter
$169.99
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
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 2" QuadBand V2 CMOS Optimised Filter
$189.00
Unlock the full potential of your astronomical imaging with the Altair 2" QuadBand V2 CMOS Optimised Filter. Designed to enhance your astrophotography experience, this high-performance filter delivers unparalleled versatility and...
Altair 2nm G-Band Solar Contrast Filter - 1.25" 430.3nm
$219.99
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%...
Altair Astro 2" DualBand 3.5 nm Sii/Oiii with test report
$499.99
Altair 3.5nm DualBand SII–OIII ULTRA Filter (with Individual Spectrographic Test Report) Push through city glow and bright Moon with ultra-narrow 3.5 nm FWHM passbands that isolate SII 671.6 nm and...
Altair Astro 2" DualBand 3.5 nm Ha/Oiii with test report
$519.99
Altair 3.5nm DualBand Ha-OIII ULTRA Filter (with Individual Spectrographic Test Report) Beat city glow and moonlight: ultra-narrow 3.5nm FWHM windows isolate H-alpha (656.3 nm) and OIII (500.7 nm) so emission...
Altair Astro 90mm Aperture TRIBAND D-ERF Solar Energy Rejection Filter - H-Alpha CaK CaH (95mm Glass)
$599.00
Altair Astro 90mm Aperture TRIBAND D-ERF WITH COVER Comprehensive Solar Protection: Specifically designed to safeguard your telescope and solar imaging equipment from excessive heat during solar observation with Daystar Hydrogen...
