OVL Hydrogen-Alpha 12NM CCD Filter 1.25"
  • OVL Hydrogen-Alpha 12NM CCD Filter 1.25"
  • OVL Hydrogen-Alpha 12NM CCD Filter 1.25"

OVL Hydrogen-Alpha 12NM CCD Filter 1.25"

This long-pass filter limits transmission of light with wavelengths longer than 650nm.

£54.95
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Whilst suppressing all other polluting lights, the filter allows you to observe emission nebulae with greatly enhanced contrast. Ideal for observing emission nebulae or objects that emit in the H-alpha region. Suitable only for CCD photography. 

20210

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