Astronomik Filters OIII 6nm 27mm CCD filter, unmounted (55060)
257.05 $
Tax included
The OIII-CCD filter is an excellent tool for imaging OIII nebulae, suitable for both light-polluted observation sites and dark-sky environments. It significantly enhances contrast by isolating objects emitting at 501nm, making faint structures stand out vividly against a dark background. With a narrow bandwidth of 6nm and a high transmission rate of 96%, it effectively blocks all unwanted light from UV to IR, resulting in an extremely dark background. This makes it ideal for imaging faint objects in dense star fields or under heavy light pollution.