Product no.: 10916Manufacturer: Baader
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- dramatically improves Halpha sensitivity
- significantly better sharpness is achieved by omitting the anti-aliasing AA filtering, which is completely unnecessary in astrophotography
- higher overall sensitivity due to better total transmission both in amplitude and spectral width
- reduced noise due to shorter exposure time at the same S/N ratio
- reduced colour aberrations when using normal 35mm lenses by increasing UV and IR blocking
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