OPTOLONG L-Synergy FILTER GEOPTIK25 Optical length 15 - 18

Optical length 15 - 18 mm Clear aperture 38 mm Outer diameter 56 mm Connection side A

The Sky-Watcher 150mm f/5 Newtonian is a compact telescope optimised for astrophotography

ASIcap or JSolex

All TPL eyepieces are parfocal with the previous Takahashi 1

The maximum transmission of the Sulphur II line (671

OPTOLONG L-Synergy FILTER GEOPTIK25 Optical length 15 - 18The Optolong L Synergy filter is a light pollution dual band filter designed to drastically reduce the effect of light pollution. Its two passing bands isolate the nebulae emissions in OIII (green blue) and SII (red). Differently from the Optolong L eNhance filter which is a tri band (transmits H beta, H Alpha, and OIII), the L Synergy filter has a narrower band pass of 7nm for each band. This filter is designed for modified DSLR's and astronomical