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Model: bfk-1Brand: Baader
The BAADER Fringe-Killer Filter minimizes unwanted blue/cyan fringing commonly seen through short-tube Chinese Achromat telescopes, while retaining a very pleasing colour balance. This would be a contradiction in itself – only made possible by applying modern DWDM plasma assisted coating technology, allowing almost a hundred coating layers to be accumulated onto a planoptically polished substrate – without destroying the optical figure! This fine optical tool will help a small refractor to really put the advertised magnification within reach.
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