IDAS HEUIB-II Filter – 2

Following is test report for HEUIBII filter by Japanese user. Each histogram shows each color channel after just converting raw file without any image adjustment.

idasAbove: conventional UV/IR block, below: HEUIB-II

idas2w/HEUIB-II

Using HEUIB-II with red filter like Hoya R60 isolates H-alpha region and turns around 20nm bandpass H-alpha filter as result.

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~ by tedishikawa on September 20, 2013.

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