COKIN Nuances Clearsky Plug In Filter M (P Series)

COKIN Clearsky light pollution filters block certain wavelengths of street lighting, such as B. the emission spectra of sodium and mercury vapour lamps In city photography, the yellow-orange hue of street lamps is greatly reduced In astrophotography, the contrast of the sky is increased by obscuring the gradient of the sky background, causing the stars or the Milky Way to stand out. High resolution neodymium doped laser phosphate glass Double-sided AR and AF multi-layer optics treatment (anti-glare, water-repellent, oil-resistant and scratch-resistant)