Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII 3" R&P Focuser Image Circle:

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

more professional looking final image

We also recommend adding a dew shield to your setup

anodized Pier Diameter 150 mm Pier Wall Thickness 5 mm Pier Top Plate 210mm X 210mm Adjustable Height 860-1020 mm) Uneven Ground Range 51 mm Leg Maximum Spread Ø1150 mm Pier Dimension (folded) Ø240 x 820 mm Warranty One year limited

aiding the mount in providing precise tracking

Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125) SII 3" R&P Focuser Image Circle: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 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