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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 2" Tri-RGB Light Pollution filter
$219.99
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 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 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 ULTRA 3nm HSO Narrowband Filter SET 2" CERTIFIED
$1,199.00
Enhance your astrophotography with the Altair ULTRA 3nm HSO Narrowband Filter SET 2" CERTIFIED. Capture stunning high-resolution images of hydrogen, sulfur, and oxygen emission nebulae with precision and clarity. Elevate...
Altair Astro 2" DualBand 3.5 nm Sii/Oiii with test report
$469.99
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
$469.99
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 2" DualBand 4nm COMBO(2 Filters)
$1,049.99
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 115mm Aperture TRIBAND D-ERF (120mm filter with housing cell)
$649.99
Altair Astro 115mm Aperture TRIBAND D-ERF (120mm Filter with Housing Cell) Comprehensive Solar Protection: Specifically designed to safeguard your telescope and solar imaging equipment from excessive heat during solar observation...
Altair Astro 115mm Aperture Hydrogen Alpha D-ERF (120mm filter with housing cell)
$529.00
Altair 115mm Aperture Hydrogen Alpha D-ERF Solar Filter Advanced Solar Protection: The Altair Dichroic Solar Energy Rejection Filter (D-ERF) is designed to protect telescopes and solar imaging equipment from excessive...
Altair Astro 160mm TRIBAND D-ERF Solar Energy Rejection Filter (Hydrogen Alpha plus CaK CaH)
$1,419.99
Altair Astro 160mm TRIBAND D-ERF Solar Energy Rejection Filter Advanced Solar Protection: Designed to protect telescopes and solar imaging equipment from excessive heat build-up, specifically when using Daystar Hydrogen Alpha...
Altair ULTRA 3nm Sii Narrowband Filter 2" CERTIFIED
$400.00
Discover the wonders of the cosmos with Altair ULTRA 3nm Sii Narrowband Filter 2" CERTIFIED. Enhance your astrophotography with precision and clarity, capturing stunning Sulfur II emission nebulae. Elevate your...
