OPTOLONG L-Synergy FILTER GEOPTIK25 The Sky-Watcher 150mm f/5 Newtonian

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

The maximum transmission of the Sulphur II line (671

5 kg (head) + 5

AzEq6 and the newer Eq6 mounts (model purchased after August 2008)

the symmetrical model lacks the mechanical shutter

OPTOLONG L-Synergy FILTER GEOPTIK25 The Sky-Watcher 150mm f/5 NewtonianThe 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