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Daystar Filters Quantum Sodium D 0.4Å… PE
$17,990.00
Daystar Filters Quantum Sodium D 0.4Å… PE Specialized Solar Filter: A 0.4Å PE Quantum Solar Filter designed for the Sodium D line (5895.9Å), ideal for detailed solar observations. Telescope Compatibility:...
Daystar Filters SODIUM Quark filter
$1,295.00
Daystar Filters SODIUM Quark Filter Innovative Sodium D-Line Technology: Introducing the Sodium D-line version of the Quark, designed specifically for use in refractors F/4-F/9. Enhanced Sunspot Detail: Offers high-resolution sunspot...