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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...
Altair 2" Sii 6.5nm Filter
$199.99
Unlock the wonders of the night sky with the Altair 2" Sii 6.5nm Filter. Designed for astrophotography enthusiasts, this premium filter enhances your imaging capabilities by isolating the specific wavelength...