Astronomik Filters OIII 6nm CCD Clip Canon EOS M (67062)
42495.97 ¥
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The OIII-CCD filter is an excellent choice for imaging OIII nebulae, whether from light-polluted urban areas or dark-sky sites. It significantly enhances the contrast between objects emitting at 501nm and the background, making faint structures stand out vividly. 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.