Optolong L-Synergy 2" 7nm Dual Narrowband Filter S-II and O-III

The L-Synergy narrowband filter enables very high-contrast nebula photography and is a great complement to the L-Para and L-Extreme for SHO.

2" low-profile filter mount suitable for filter drawers and filter wheels - with M48x0.75 filter thread
The filter has a very narrow bandwidth of only 7 nm at O-III and S-II and ensures very high contrast
Suitable for telescopes from F3.3 and lower
The areas of light pollution are completely blocked, making successful deep-sky photography possible even from urban areas
Best-possible anti-reflective coating prevents halos around stars
The filter is suitable for mono and color cameras
Supplied in a sturdy plastic packaging

Filter size: 2" mounted
Mount height: 5 mm without external thread, 7 mm with M48 thread
Substrate: high-quality optical glass (Schott)
Surface: finely polished
Filter type: dual bandpass filter
Passbands: O-III and S-II - 7 nm bandwidth
Filter thickness: 2 mm

Filter in protective packaging