Lumicon 72mm Night Sky Hydrogen-Alpha Filter

Article number: LF3105
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Delivery time: Ships from our warehouse in 7-10 days

Filter for Black & White Deep Sky Photography

Lumicon’s Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution filter, and for contrast-enhancement of emission nebulae and other astronomical objects bright in the infrared.

Threaded for 72mm camera lenses.

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