Optolong 2" L-Extreme

$309.00

Optolong L-eXtreme dual-band astronomy narrow band filter Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is dual band that passes Ha and...

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SKU: Opto-L-EXT2
Description
Optolong L-eXtreme dual-band astronomy narrow band filter

Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is dual band that passes Ha and OIII emission lines.
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