Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII more professional looking final image

more professional looking final image

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

As the ASI533MC PRO uses zero amp glow circuitry

3" R&P Focuser Image Circle: > Full Frame Recommended Flattener: FLAT 6A III Tube Length: 441mm (Fully Retracted)

We also recommend adding a dew shield to your setup

Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII more professional looking final imageUnlike 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