In Stock
Optolong
Optolong L-eXtreme Dual-Band Narrow Band Filter 2" Mounted (OPT-L-EXTREME-2)
$417.15

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also more suited for fast systems. The convenience and cost...
In Stock
Optolong
Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125)
$322.65

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. Main Usage L-eXtreme is a two 7nm bandpass...

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