Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII Simplify and streamline your setup

Simplify and streamline your setup with the Aluminum Dew Shield’s integrated cable management slot at the base

without sacrificing resolution

73° Linear Field of View (@1000 yds) / @1000 m): 89 ft (27 m) @ 18x| 38 ft (11

We also recommend adding a dew shield to your setup

As the ASI533MC PRO uses zero amp glow circuitry

Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII Simplify and streamline your setupUnlike 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 filter which can be used with one shot colour cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also more suited for fast systems. The convenience and cost effectiveness of this filter allows amateurs to image a rich emission