solar filters

Coronado SolarMax II 40mm Double Stacking Etalon -SME-40

Coronado   ——   SKU: COR-SME-40
$786.49 CAD
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Product Info
H-a 40mm narrowband unit with Tmax tuner. Must be combined with either a primary SolarMax 40 filter and blocking filter, a complete SolarMax 40 telescope or a PST telescope. Cannot be used as a stand alone filter.