Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII We also recommend adding a

We also recommend adding a dew shield to your setup

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

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

more professional looking final image

Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII We also recommend adding aUnlike 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