Baader O-III 8.5nm 50,8mm filter

Product code: BP2458436

Quick Overview

Baader O-III 8.5nm filter is designed for long exposure photography of deep-sky objects with CCD cameras (usually monochromatic because the color versions does not have the sensitivity needed to be used with this filter). This filter offers a high contrast and a complete removal of light pollution by allowing the astrophotography even from places with artificial lights.

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Details

Together with Baader H-alpha 7nm filter and S-II 8nm filters, the Baader O-III 8.5nm filter enables color imaging using trichromy technique. This filter is also perfect for use with achromatic refractors that, due to chromatic aberration, are not usually recommended for the long-exposure astrophotography. But using this filter the deep-sky astrophotography becomes not only possible but also offers excellent results since the narrow bandwidth virtually delete the effect of chromatic aberration.

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