in stock
in stock

Lumicon 2" H-Alpha pass filter

instead 104,20 EUR
only 96,64 EUR
excl. VAT
excl. 4,65 € Shipping costs

Lumicon 2" H Alpha Pass Filter
high contrast for H-2 regions - M48 thread #LF3090
Lumicon H Alpha Pass Filter

Product Details

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.

The LF3090, 2" Night Sky Hydrogen-Alpha Filter, threads into the nose-piece of industry-standard 2" Digital Imagers.

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