Baader Planetarium Astro Solar Foil ND3,8 is a cheap and safe Sun filter make for solar photography. Allows to take beautiful pictures on Sun even when using narrowband filters (Baader Solar Continuum, H-Alpha etc.). It also enables to shorten exposition time, thus making the picture more less depending from turbulences of atmosphere. Basic dimension is 10x10; if you need a different size, for egzample 20x20, simply by 4 pieces of foil and put a comment about the foil size required while placing your order.
Specifications
• Unit size of foil: 10x10cm • Transmission standard: ND3.8 (16 times more than ND5) • To be used for photography only (not for visual observations) • Quality standards: CE • Supplied in units of 1 sheet, including instructions
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