Astronomik Filters OIII 6nm CCD 31mm (62128)
182.67 CHF
Tax included
The OIII-CCD filter is designed for imaging OIII nebulae from both light-polluted and dark observation sites. It dramatically enhances the contrast between objects emitting at 501nm and the background, making faint structures stand out. With a narrow bandwidth of 6nm and a high transmission rate of 96%, it blocks all unwanted light from UV to IR, resulting in an exceptionally dark background. This makes it ideal for imaging faint objects in dense star fields or under heavy light pollution.