Astronomik Filters OIII 6nm CCD 50mm (63222)
696.5 $
Tax included
The OIII-CCD filter is a powerful tool for imaging OIII nebulae, suitable for use in both light-polluted urban environments and dark-sky observation sites. It dramatically enhances the contrast between objects emitting at the 501nm wavelength and the background, making faint structures more visible. 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.