Astronomik Filters OIII 6nm CCD 2" (46797)
455.24 $
Tax included
The OIII-CCD filter is ideal for imaging OIII nebulae from both light-polluted and dark observation sites. It significantly enhances the contrast between objects emitting at 501nm and the background, making faint structures more visible. With a narrow bandwidth of 6nm and a high transmission rate of 96%, the filter blocks all unwanted light from UV to IR, resulting in an exceptionally dark background.