SV132 H-Beta Filter 25nm 1.25inch Light Pollution Filter
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Key Features
Unlocks views of elusive deep-sky objects like Horsehead, California and Cocoon Nebulas, ideal for moderate to large aperture telescopes in dark skies.
Double-side polished to 1/4 wave accuracy with <30 parallelism, eliminating halos for clear, unobstructed celestial viewing.
Precision double-sided coatings deliver over 90% transmission of target wavelengths and complete blocking of light pollution, enhancing nebula contrast.
Planetary rotation system ensures homogeneous coating, maintaining high pass-band transmission and off-band density without sharpness or contrast loss.
Metal mount with 1.25" filter threads, perfectly fitting 1.25" eyepieces and threaded diagonal barrels for seamless telescope integration.
⚡ Shipped: 72 hrs after ordering (Pre-sale products excluded).
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