OPTOLONG L-Synergy FILTER GEOPTIK25 ASIcap or JSolex

ASIcap or JSolex

5 kg (head) + 5

the symmetrical model lacks the mechanical shutter

GM 4000 mandatory shipping kit is composed of a GM 4000 shipping wooden pallet box (#10M4100) and a pier adapter (#10M4090)

OPTOLONG L-Synergy FILTER GEOPTIK25 ASIcap or JSolexThe 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